40487290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213091}}^1$

素因数の和:213117

約数の個数: 16

約数和(自身を含む): 76713120

約数和(自身を除く): 36225830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 213091, 426182, 1065455, 2130910, 4048729, 8097458, 20243645, 40487290]

約数ペア:

[(1, 40487290), (2, 20243645), (5, 8097458), (10, 4048729), (19, 2130910), (38, 1065455), (95, 426182), (190, 213091)]