145055080

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{18223}}^1$

素因数の和:18433

約数の個数: 32

約数和(自身を含む): 328032000

約数和(自身を除く): 182976920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 18223, 36446, 72892, 91115, 145784, 182230, 364460, 728920, 3626377, 7252754, 14505508, 18131885, 29011016, 36263770, 72527540, 145055080]

約数ペア:

[(1, 145055080), (2, 72527540), (4, 36263770), (5, 29011016), (8, 18131885), (10, 14505508), (20, 7252754), (40, 3626377), (199, 728920), (398, 364460), (796, 182230), (995, 145784), (1592, 91115), (1990, 72892), (3980, 36446), (7960, 18223)]