25405240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2272

約数の個数: 64

約数和(自身を含む): 66951360

約数和(自身を除く): 41546120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2213, 2296, 2870, 4426, 5740, 8852, 11065, 11480, 15491, 17704, 22130, 30982, 44260, 61964, 77455, 88520, 90733, 123928, 154910, 181466, 309820, 362932, 453665, 619640, 635131, 725864, 907330, 1270262, 1814660, 2540524, 3175655, 3629320, 5081048, 6351310, 12702620, 25405240]

約数ペア:

[(1, 25405240), (2, 12702620), (4, 6351310), (5, 5081048), (7, 3629320), (8, 3175655), (10, 2540524), (14, 1814660), (20, 1270262), (28, 907330), (35, 725864), (40, 635131), (41, 619640), (56, 453665), (70, 362932), (82, 309820), (140, 181466), (164, 154910), (205, 123928), (280, 90733), (287, 88520), (328, 77455), (410, 61964), (574, 44260), (820, 30982), (1148, 22130), (1435, 17704), (1640, 15491), (2213, 11480), (2296, 11065), (2870, 8852), (4426, 5740)]