40168180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154493}}^1$

素因数の和:154515

約数の個数: 24

約数和(自身を含む): 90842472

約数和(自身を除く): 50674292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154493, 308986, 617972, 772465, 1544930, 2008409, 3089860, 4016818, 8033636, 10042045, 20084090, 40168180]

約数ペア:

[(1, 40168180), (2, 20084090), (4, 10042045), (5, 8033636), (10, 4016818), (13, 3089860), (20, 2008409), (26, 1544930), (52, 772465), (65, 617972), (130, 308986), (260, 154493)]