15636400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 42191744

約数和(自身を除く): 26555344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 97, 100, 104, 124, 130, 155, 194, 200, 208, 248, 260, 310, 325, 388, 400, 403, 485, 496, 520, 620, 650, 775, 776, 806, 970, 1040, 1240, 1261, 1300, 1550, 1552, 1612, 1940, 2015, 2425, 2480, 2522, 2600, 3007, 3100, 3224, 3880, 4030, 4850, 5044, 5200, 6014, 6200, 6305, 6448, 7760, 8060, 9700, 10075, 10088, 12028, 12400, 12610, 15035, 16120, 19400, 20150, 20176, 24056, 25220, 30070, 31525, 32240, 38800, 39091, 40300, 48112, 50440, 60140, 63050, 75175, 78182, 80600, 100880, 120280, 126100, 150350, 156364, 161200, 195455, 240560, 252200, 300700, 312728, 390910, 504400, 601400, 625456, 781820, 977275, 1202800, 1563640, 1954550, 3127280, 3909100, 7818200, 15636400]

約数ペア:

[(1, 15636400), (2, 7818200), (4, 3909100), (5, 3127280), (8, 1954550), (10, 1563640), (13, 1202800), (16, 977275), (20, 781820), (25, 625456), (26, 601400), (31, 504400), (40, 390910), (50, 312728), (52, 300700), (62, 252200), (65, 240560), (80, 195455), (97, 161200), (100, 156364), (104, 150350), (124, 126100), (130, 120280), (155, 100880), (194, 80600), (200, 78182), (208, 75175), (248, 63050), (260, 60140), (310, 50440), (325, 48112), (388, 40300), (400, 39091), (403, 38800), (485, 32240), (496, 31525), (520, 30070), (620, 25220), (650, 24056), (775, 20176), (776, 20150), (806, 19400), (970, 16120), (1040, 15035), (1240, 12610), (1261, 12400), (1300, 12028), (1550, 10088), (1552, 10075), (1612, 9700), (1940, 8060), (2015, 7760), (2425, 6448), (2480, 6305), (2522, 6200), (2600, 6014), (3007, 5200), (3100, 5044), (3224, 4850), (3880, 4030)]