74185640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11813}}^1$

素因数の和:11981

約数の個数: 32

約数和(自身を含む): 167995080

約数和(自身を除く): 93809440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 11813, 23626, 47252, 59065, 94504, 118130, 236260, 472520, 1854641, 3709282, 7418564, 9273205, 14837128, 18546410, 37092820, 74185640]

約数ペア:

[(1, 74185640), (2, 37092820), (4, 18546410), (5, 14837128), (8, 9273205), (10, 7418564), (20, 3709282), (40, 1854641), (157, 472520), (314, 236260), (628, 118130), (785, 94504), (1256, 59065), (1570, 47252), (3140, 23626), (6280, 11813)]