201380660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{774541}}^1$

素因数の和:774563

約数の個数: 24

約数和(自身を含む): 455430696

約数和(自身を除く): 254050036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774541, 1549082, 3098164, 3872705, 7745410, 10069033, 15490820, 20138066, 40276132, 50345165, 100690330, 201380660]

約数ペア:

[(1, 201380660), (2, 100690330), (4, 50345165), (5, 40276132), (10, 20138066), (13, 15490820), (20, 10069033), (26, 7745410), (52, 3872705), (65, 3098164), (130, 1549082), (260, 774541)]