25336480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 72

約数和(自身を含む): 64885212

約数和(自身を除く): 39548732

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 937, 1040, 1352, 1690, 1874, 2080, 2704, 3380, 3748, 4685, 5408, 6760, 7496, 9370, 12181, 13520, 14992, 18740, 24362, 27040, 29984, 37480, 48724, 60905, 74960, 97448, 121810, 149920, 158353, 194896, 243620, 316706, 389792, 487240, 633412, 791765, 974480, 1266824, 1583530, 1948960, 2533648, 3167060, 5067296, 6334120, 12668240, 25336480]

約数ペア:

[(1, 25336480), (2, 12668240), (4, 6334120), (5, 5067296), (8, 3167060), (10, 2533648), (13, 1948960), (16, 1583530), (20, 1266824), (26, 974480), (32, 791765), (40, 633412), (52, 487240), (65, 389792), (80, 316706), (104, 243620), (130, 194896), (160, 158353), (169, 149920), (208, 121810), (260, 97448), (338, 74960), (416, 60905), (520, 48724), (676, 37480), (845, 29984), (937, 27040), (1040, 24362), (1352, 18740), (1690, 14992), (1874, 13520), (2080, 12181), (2704, 9370), (3380, 7496), (3748, 6760), (4685, 5408)]