25855440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8316

約数の個数: 80

約数和(自身を含む): 86327808

約数和(自身を除く): 60472368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 8287, 16574, 24861, 33148, 41435, 49722, 66296, 82870, 99444, 107731, 124305, 132592, 165740, 198888, 215462, 248610, 323193, 331480, 397776, 430924, 497220, 538655, 646386, 662960, 861848, 994440, 1077310, 1292772, 1615965, 1723696, 1988880, 2154620, 2585544, 3231930, 4309240, 5171088, 6463860, 8618480, 12927720, 25855440]

約数ペア:

[(1, 25855440), (2, 12927720), (3, 8618480), (4, 6463860), (5, 5171088), (6, 4309240), (8, 3231930), (10, 2585544), (12, 2154620), (13, 1988880), (15, 1723696), (16, 1615965), (20, 1292772), (24, 1077310), (26, 994440), (30, 861848), (39, 662960), (40, 646386), (48, 538655), (52, 497220), (60, 430924), (65, 397776), (78, 331480), (80, 323193), (104, 248610), (120, 215462), (130, 198888), (156, 165740), (195, 132592), (208, 124305), (240, 107731), (260, 99444), (312, 82870), (390, 66296), (520, 49722), (624, 41435), (780, 33148), (1040, 24861), (1560, 16574), (3120, 8287)]