64706140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{24697}}^1$

素因数の和:24837

約数の個数: 24

約数和(自身を含む): 136925712

約数和(自身を除く): 72219572

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 24697, 49394, 98788, 123485, 246970, 493940, 3235307, 6470614, 12941228, 16176535, 32353070, 64706140]

約数ペア:

[(1, 64706140), (2, 32353070), (4, 16176535), (5, 12941228), (10, 6470614), (20, 3235307), (131, 493940), (262, 246970), (524, 123485), (655, 98788), (1310, 49394), (2620, 24697)]