65623540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61909}}^1$

素因数の和:61971

約数の個数: 24

約数和(自身を含む): 140411880

約数和(自身を除く): 74788340

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 61909, 123818, 247636, 309545, 619090, 1238180, 3281177, 6562354, 13124708, 16405885, 32811770, 65623540]

約数ペア:

[(1, 65623540), (2, 32811770), (4, 16405885), (5, 13124708), (10, 6562354), (20, 3281177), (53, 1238180), (106, 619090), (212, 309545), (265, 247636), (530, 123818), (1060, 61909)]