90571780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348353}}^1$

素因数の和:348375

約数の個数: 24

約数和(自身を含む): 204832152

約数和(自身を除く): 114260372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 348353, 696706, 1393412, 1741765, 3483530, 4528589, 6967060, 9057178, 18114356, 22642945, 45285890, 90571780]

約数ペア:

[(1, 90571780), (2, 45285890), (4, 22642945), (5, 18114356), (10, 9057178), (13, 6967060), (20, 4528589), (26, 3483530), (52, 1741765), (65, 1393412), (130, 696706), (260, 348353)]