25377680

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2129}}^1$

素因数の和:2291

約数の個数: 40

約数和(自身を含む): 59427000

約数和(自身を除く): 34049320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2129, 2384, 2980, 4258, 5960, 8516, 10645, 11920, 17032, 21290, 34064, 42580, 85160, 170320, 317221, 634442, 1268884, 1586105, 2537768, 3172210, 5075536, 6344420, 12688840, 25377680]

約数ペア:

[(1, 25377680), (2, 12688840), (4, 6344420), (5, 5075536), (8, 3172210), (10, 2537768), (16, 1586105), (20, 1268884), (40, 634442), (80, 317221), (149, 170320), (298, 85160), (596, 42580), (745, 34064), (1192, 21290), (1490, 17032), (2129, 11920), (2384, 10645), (2980, 8516), (4258, 5960)]