40185820

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3049}}^1$

素因数の和:3717

約数の個数: 24

約数和(自身を含む): 84546000

約数和(自身を除く): 44360180

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3049, 3295, 6098, 6590, 12196, 13180, 15245, 30490, 60980, 2009291, 4018582, 8037164, 10046455, 20092910, 40185820]

約数ペア:

[(1, 40185820), (2, 20092910), (4, 10046455), (5, 8037164), (10, 4018582), (20, 2009291), (659, 60980), (1318, 30490), (2636, 15245), (3049, 13180), (3295, 12196), (6098, 6590)]