40253980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154823}}^1$

素因数の和:154845

約数の個数: 24

約数和(自身を含む): 91036512

約数和(自身を除く): 50782532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154823, 309646, 619292, 774115, 1548230, 2012699, 3096460, 4025398, 8050796, 10063495, 20126990, 40253980]

約数ペア:

[(1, 40253980), (2, 20126990), (4, 10063495), (5, 8050796), (10, 4025398), (13, 3096460), (20, 2012699), (26, 1548230), (52, 774115), (65, 619292), (130, 309646), (260, 154823)]