85388620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251143}}^1$

素因数の和:251169

約数の個数: 24

約数和(自身を含む): 189864864

約数和(自身を除く): 104476244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 251143, 502286, 1004572, 1255715, 2511430, 4269431, 5022860, 8538862, 17077724, 21347155, 42694310, 85388620]

約数ペア:

[(1, 85388620), (2, 42694310), (4, 21347155), (5, 17077724), (10, 8538862), (17, 5022860), (20, 4269431), (34, 2511430), (68, 1255715), (85, 1004572), (170, 502286), (340, 251143)]