25625020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8599}}^1$

素因数の和:8757

約数の個数: 24

約数和(自身を含む): 54180000

約数和(自身を除く): 28554980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 8599, 17198, 34396, 42995, 85990, 171980, 1281251, 2562502, 5125004, 6406255, 12812510, 25625020]

約数ペア:

[(1, 25625020), (2, 12812510), (4, 6406255), (5, 5125004), (10, 2562502), (20, 1281251), (149, 171980), (298, 85990), (596, 42995), (745, 34396), (1490, 17198), (2980, 8599)]