40080380

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3041}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 84324240

約数和(自身を除く): 44243860

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3041, 3295, 6082, 6590, 12164, 13180, 15205, 30410, 60820, 2004019, 4008038, 8016076, 10020095, 20040190, 40080380]

約数ペア:

[(1, 40080380), (2, 20040190), (4, 10020095), (5, 8016076), (10, 4008038), (20, 2004019), (659, 60820), (1318, 30410), (2636, 15205), (3041, 13180), (3295, 12164), (6082, 6590)]