40045850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61609}}^1$

素因数の和:61634

約数の個数: 24

約数和(自身を含む): 80216220

約数和(自身を除く): 40170370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61609, 123218, 308045, 616090, 800917, 1540225, 1601834, 3080450, 4004585, 8009170, 20022925, 40045850]

約数ペア:

[(1, 40045850), (2, 20022925), (5, 8009170), (10, 4004585), (13, 3080450), (25, 1601834), (26, 1540225), (50, 800917), (65, 616090), (130, 308045), (325, 123218), (650, 61609)]