201637820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76961}}^1$

素因数の和:77101

約数の個数: 24

約数和(自身を含む): 426677328

約数和(自身を除く): 225039508

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76961, 153922, 307844, 384805, 769610, 1539220, 10081891, 20163782, 40327564, 50409455, 100818910, 201637820]

約数ペア:

[(1, 201637820), (2, 100818910), (4, 50409455), (5, 40327564), (10, 20163782), (20, 10081891), (131, 1539220), (262, 769610), (524, 384805), (655, 307844), (1310, 153922), (2620, 76961)]