25407140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 59330880

約数和(自身を除く): 33923740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2179, 2332, 2915, 4358, 5830, 8716, 10895, 11660, 21790, 23969, 43580, 47938, 95876, 115487, 119845, 230974, 239690, 461948, 479380, 577435, 1154870, 1270357, 2309740, 2540714, 5081428, 6351785, 12703570, 25407140]

約数ペア:

[(1, 25407140), (2, 12703570), (4, 6351785), (5, 5081428), (10, 2540714), (11, 2309740), (20, 1270357), (22, 1154870), (44, 577435), (53, 479380), (55, 461948), (106, 239690), (110, 230974), (212, 119845), (220, 115487), (265, 95876), (530, 47938), (583, 43580), (1060, 23969), (1166, 21790), (2179, 11660), (2332, 10895), (2915, 8716), (4358, 5830)]