12465700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 29942528

約数和(自身を除く): 17476828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 223, 260, 325, 430, 446, 559, 650, 860, 892, 1075, 1115, 1118, 1300, 2150, 2230, 2236, 2795, 2899, 4300, 4460, 5575, 5590, 5798, 9589, 11150, 11180, 11596, 13975, 14495, 19178, 22300, 27950, 28990, 38356, 47945, 55900, 57980, 72475, 95890, 124657, 144950, 191780, 239725, 249314, 289900, 479450, 498628, 623285, 958900, 1246570, 2493140, 3116425, 6232850, 12465700]

約数ペア:

[(1, 12465700), (2, 6232850), (4, 3116425), (5, 2493140), (10, 1246570), (13, 958900), (20, 623285), (25, 498628), (26, 479450), (43, 289900), (50, 249314), (52, 239725), (65, 191780), (86, 144950), (100, 124657), (130, 95890), (172, 72475), (215, 57980), (223, 55900), (260, 47945), (325, 38356), (430, 28990), (446, 27950), (559, 22300), (650, 19178), (860, 14495), (892, 13975), (1075, 11596), (1115, 11180), (1118, 11150), (1300, 9589), (2150, 5798), (2230, 5590), (2236, 5575), (2795, 4460), (2899, 4300)]