66813980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45763}}^1$

素因数の和:45845

約数の個数: 24

約数和(自身を含む): 142234512

約数和(自身を除く): 75420532

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45763, 91526, 183052, 228815, 457630, 915260, 3340699, 6681398, 13362796, 16703495, 33406990, 66813980]

約数ペア:

[(1, 66813980), (2, 33406990), (4, 16703495), (5, 13362796), (10, 6681398), (20, 3340699), (73, 915260), (146, 457630), (292, 228815), (365, 183052), (730, 91526), (1460, 45763)]