25181380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 62524224

約数和(自身を除く): 37342844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 107, 140, 164, 205, 214, 287, 410, 428, 535, 574, 749, 820, 1070, 1148, 1435, 1498, 1681, 2140, 2870, 2996, 3362, 3745, 4387, 5740, 6724, 7490, 8405, 8774, 11767, 14980, 16810, 17548, 21935, 23534, 30709, 33620, 43870, 47068, 58835, 61418, 87740, 117670, 122836, 153545, 179867, 235340, 307090, 359734, 614180, 719468, 899335, 1259069, 1798670, 2518138, 3597340, 5036276, 6295345, 12590690, 25181380]

約数ペア:

[(1, 25181380), (2, 12590690), (4, 6295345), (5, 5036276), (7, 3597340), (10, 2518138), (14, 1798670), (20, 1259069), (28, 899335), (35, 719468), (41, 614180), (70, 359734), (82, 307090), (107, 235340), (140, 179867), (164, 153545), (205, 122836), (214, 117670), (287, 87740), (410, 61418), (428, 58835), (535, 47068), (574, 43870), (749, 33620), (820, 30709), (1070, 23534), (1148, 21935), (1435, 17548), (1498, 16810), (1681, 14980), (2140, 11767), (2870, 8774), (2996, 8405), (3362, 7490), (3745, 6724), (4387, 5740)]