90385640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{38299}}^1$

素因数の和:38369

約数の個数: 32

約数和(自身を含む): 206820000

約数和(自身を除く): 116434360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 38299, 76598, 153196, 191495, 306392, 382990, 765980, 1531960, 2259641, 4519282, 9038564, 11298205, 18077128, 22596410, 45192820, 90385640]

約数ペア:

[(1, 90385640), (2, 45192820), (4, 22596410), (5, 18077128), (8, 11298205), (10, 9038564), (20, 4519282), (40, 2259641), (59, 1531960), (118, 765980), (236, 382990), (295, 306392), (472, 191495), (590, 153196), (1180, 76598), (2360, 38299)]