25207984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 51983280

約数和(自身を除く): 26775296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 821, 1616, 1642, 1919, 3284, 3838, 6568, 7676, 13136, 15352, 15599, 30704, 31198, 62396, 82921, 124792, 165842, 249584, 331684, 663368, 1326736, 1575499, 3150998, 6301996, 12603992, 25207984]

約数ペア:

[(1, 25207984), (2, 12603992), (4, 6301996), (8, 3150998), (16, 1575499), (19, 1326736), (38, 663368), (76, 331684), (101, 249584), (152, 165842), (202, 124792), (304, 82921), (404, 62396), (808, 31198), (821, 30704), (1616, 15599), (1642, 15352), (1919, 13136), (3284, 7676), (3838, 6568)]