51381200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 136746456

約数和(自身を除く): 85365256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 164, 200, 205, 208, 241, 260, 325, 328, 400, 410, 482, 520, 533, 650, 656, 820, 964, 1025, 1040, 1066, 1205, 1300, 1640, 1928, 2050, 2132, 2410, 2600, 2665, 3133, 3280, 3856, 4100, 4264, 4820, 5200, 5330, 6025, 6266, 8200, 8528, 9640, 9881, 10660, 12050, 12532, 13325, 15665, 16400, 19280, 19762, 21320, 24100, 25064, 26650, 31330, 39524, 42640, 48200, 49405, 50128, 53300, 62660, 78325, 79048, 96400, 98810, 106600, 125320, 128453, 156650, 158096, 197620, 213200, 247025, 250640, 256906, 313300, 395240, 494050, 513812, 626600, 642265, 790480, 988100, 1027624, 1253200, 1284530, 1976200, 2055248, 2569060, 3211325, 3952400, 5138120, 6422650, 10276240, 12845300, 25690600, 51381200]

約数ペア:

[(1, 51381200), (2, 25690600), (4, 12845300), (5, 10276240), (8, 6422650), (10, 5138120), (13, 3952400), (16, 3211325), (20, 2569060), (25, 2055248), (26, 1976200), (40, 1284530), (41, 1253200), (50, 1027624), (52, 988100), (65, 790480), (80, 642265), (82, 626600), (100, 513812), (104, 494050), (130, 395240), (164, 313300), (200, 256906), (205, 250640), (208, 247025), (241, 213200), (260, 197620), (325, 158096), (328, 156650), (400, 128453), (410, 125320), (482, 106600), (520, 98810), (533, 96400), (650, 79048), (656, 78325), (820, 62660), (964, 53300), (1025, 50128), (1040, 49405), (1066, 48200), (1205, 42640), (1300, 39524), (1640, 31330), (1928, 26650), (2050, 25064), (2132, 24100), (2410, 21320), (2600, 19762), (2665, 19280), (3133, 16400), (3280, 15665), (3856, 13325), (4100, 12532), (4264, 12050), (4820, 10660), (5200, 9881), (5330, 9640), (6025, 8528), (6266, 8200)]