61561580

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6269}}^1$

素因数の和:6769

約数の個数: 24

約数和(自身を含む): 129563280

約数和(自身を除く): 68001700

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 6269, 9820, 12538, 25076, 31345, 62690, 125380, 3078079, 6156158, 12312316, 15390395, 30780790, 61561580]

約数ペア:

[(1, 61561580), (2, 30780790), (4, 15390395), (5, 12312316), (10, 6156158), (20, 3078079), (491, 125380), (982, 62690), (1964, 31345), (2455, 25076), (4910, 12538), (6269, 9820)]