65209660

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14621}}^1$

素因数の和:14853

約数の個数: 24

約数和(自身を含む): 137563776

約数和(自身を除く): 72354116

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 14621, 29242, 58484, 73105, 146210, 292420, 3260483, 6520966, 13041932, 16302415, 32604830, 65209660]

約数ペア:

[(1, 65209660), (2, 32604830), (4, 16302415), (5, 13041932), (10, 6520966), (20, 3260483), (223, 292420), (446, 146210), (892, 73105), (1115, 58484), (2230, 29242), (4460, 14621)]