64588520

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10837}}^1$

素因数の和:10997

約数の個数: 32

約数和(自身を含む): 146313000

約数和(自身を除く): 81724480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 10837, 21674, 43348, 54185, 86696, 108370, 216740, 433480, 1614713, 3229426, 6458852, 8073565, 12917704, 16147130, 32294260, 64588520]

約数ペア:

[(1, 64588520), (2, 32294260), (4, 16147130), (5, 12917704), (8, 8073565), (10, 6458852), (20, 3229426), (40, 1614713), (149, 433480), (298, 216740), (596, 108370), (745, 86696), (1192, 54185), (1490, 43348), (2980, 21674), (5960, 10837)]