72979580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117709}}^1$

素因数の和:117749

約数の個数: 24

約数和(自身を含む): 158202240

約数和(自身を除く): 85222660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 117709, 235418, 470836, 588545, 1177090, 2354180, 3648979, 7297958, 14595916, 18244895, 36489790, 72979580]

約数ペア:

[(1, 72979580), (2, 36489790), (4, 18244895), (5, 14595916), (10, 7297958), (20, 3648979), (31, 2354180), (62, 1177090), (124, 588545), (155, 470836), (310, 235418), (620, 117709)]