64561160

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2633}}^1$

素因数の和:3257

約数の個数: 32

約数和(自身を含む): 145554840

約数和(自身を除く): 80993680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 2633, 3065, 4904, 5266, 6130, 10532, 12260, 13165, 21064, 24520, 26330, 52660, 105320, 1614029, 3228058, 6456116, 8070145, 12912232, 16140290, 32280580, 64561160]

約数ペア:

[(1, 64561160), (2, 32280580), (4, 16140290), (5, 12912232), (8, 8070145), (10, 6456116), (20, 3228058), (40, 1614029), (613, 105320), (1226, 52660), (2452, 26330), (2633, 24520), (3065, 21064), (4904, 13165), (5266, 12260), (6130, 10532)]