4002505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 5221440

約数和(自身を除く): 1218935

約数列:

[1, 5, 13, 65, 139, 443, 695, 1807, 2215, 5759, 9035, 28795, 61577, 307885, 800501, 4002505]

約数ペア:

[(1, 4002505), (5, 800501), (13, 307885), (65, 61577), (139, 28795), (443, 9035), (695, 5759), (1807, 2215)]