20005035700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{4751}}^1$

素因数の和:4898

約数の個数: 144

約数和(自身を含む): 48506895360

約数和(自身を除く): 28501859660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 79, 82, 100, 130, 158, 164, 205, 260, 316, 325, 395, 410, 533, 650, 790, 820, 1025, 1027, 1066, 1300, 1580, 1975, 2050, 2054, 2132, 2665, 3239, 3950, 4100, 4108, 4751, 5135, 5330, 6478, 7900, 9502, 10270, 10660, 12956, 13325, 16195, 19004, 20540, 23755, 25675, 26650, 32390, 42107, 47510, 51350, 53300, 61763, 64780, 80975, 84214, 95020, 102700, 118775, 123526, 161950, 168428, 194791, 210535, 237550, 247052, 308815, 323900, 375329, 389582, 421070, 475100, 617630, 750658, 779164, 842140, 973955, 1052675, 1235260, 1501316, 1544075, 1876645, 1947910, 2105350, 2532283, 3088150, 3753290, 3895820, 4210700, 4869775, 4879277, 5064566, 6176300, 7506580, 9383225, 9739550, 9758554, 10129132, 12661415, 15388489, 18766450, 19479100, 19517108, 24396385, 25322830, 30776978, 37532900, 48792770, 50645660, 61553956, 63307075, 76942445, 97585540, 121981925, 126614150, 153884890, 200050357, 243963850, 253228300, 307769780, 384712225, 400100714, 487927700, 769424450, 800201428, 1000251785, 1538848900, 2000503570, 4001007140, 5001258925, 10002517850, 20005035700]

約数ペア:

[(1, 20005035700), (2, 10002517850), (4, 5001258925), (5, 4001007140), (10, 2000503570), (13, 1538848900), (20, 1000251785), (25, 800201428), (26, 769424450), (41, 487927700), (50, 400100714), (52, 384712225), (65, 307769780), (79, 253228300), (82, 243963850), (100, 200050357), (130, 153884890), (158, 126614150), (164, 121981925), (205, 97585540), (260, 76942445), (316, 63307075), (325, 61553956), (395, 50645660), (410, 48792770), (533, 37532900), (650, 30776978), (790, 25322830), (820, 24396385), (1025, 19517108), (1027, 19479100), (1066, 18766450), (1300, 15388489), (1580, 12661415), (1975, 10129132), (2050, 9758554), (2054, 9739550), (2132, 9383225), (2665, 7506580), (3239, 6176300), (3950, 5064566), (4100, 4879277), (4108, 4869775), (4751, 4210700), (5135, 3895820), (5330, 3753290), (6478, 3088150), (7900, 2532283), (9502, 2105350), (10270, 1947910), (10660, 1876645), (12956, 1544075), (13325, 1501316), (16195, 1235260), (19004, 1052675), (20540, 973955), (23755, 842140), (25675, 779164), (26650, 750658), (32390, 617630), (42107, 475100), (47510, 421070), (51350, 389582), (53300, 375329), (61763, 323900), (64780, 308815), (80975, 247052), (84214, 237550), (95020, 210535), (102700, 194791), (118775, 168428), (123526, 161950)]