40977980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13751}}^1$

素因数の和:13909

約数の個数: 24

約数和(自身を含む): 86637600

約数和(自身を除く): 45659620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 13751, 27502, 55004, 68755, 137510, 275020, 2048899, 4097798, 8195596, 10244495, 20488990, 40977980]

約数ペア:

[(1, 40977980), (2, 20488990), (4, 10244495), (5, 8195596), (10, 4097798), (20, 2048899), (149, 275020), (298, 137510), (596, 68755), (745, 55004), (1490, 27502), (2980, 13751)]