64012940

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{3889}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 134625120

約数和(自身を除く): 70612180

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 3889, 4115, 7778, 8230, 15556, 16460, 19445, 38890, 77780, 3200647, 6401294, 12802588, 16003235, 32006470, 64012940]

約数ペア:

[(1, 64012940), (2, 32006470), (4, 16003235), (5, 12802588), (10, 6401294), (20, 3200647), (823, 77780), (1646, 38890), (3292, 19445), (3889, 16460), (4115, 15556), (7778, 8230)]