89207620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73121}}^1$

素因数の和:73191

約数の個数: 24

約数和(自身を含む): 190409688

約数和(自身を除く): 101202068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 73121, 146242, 292484, 365605, 731210, 1462420, 4460381, 8920762, 17841524, 22301905, 44603810, 89207620]

約数ペア:

[(1, 89207620), (2, 44603810), (4, 22301905), (5, 17841524), (10, 8920762), (20, 4460381), (61, 1462420), (122, 731210), (244, 365605), (305, 292484), (610, 146242), (1220, 73121)]