64535180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104089}}^1$

素因数の和:104129

約数の個数: 24

約数和(自身を含む): 139896960

約数和(自身を除く): 75361780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 104089, 208178, 416356, 520445, 1040890, 2081780, 3226759, 6453518, 12907036, 16133795, 32267590, 64535180]

約数ペア:

[(1, 64535180), (2, 32267590), (4, 16133795), (5, 12907036), (10, 6453518), (20, 3226759), (31, 2081780), (62, 1040890), (124, 520445), (155, 416356), (310, 208178), (620, 104089)]