39627880

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3947}}^1$

素因数の和:4209

約数の個数: 32

約数和(自身を含む): 89540640

約数和(自身を除く): 49912760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 3947, 5020, 7894, 10040, 15788, 19735, 31576, 39470, 78940, 157880, 990697, 1981394, 3962788, 4953485, 7925576, 9906970, 19813940, 39627880]

約数ペア:

[(1, 39627880), (2, 19813940), (4, 9906970), (5, 7925576), (8, 4953485), (10, 3962788), (20, 1981394), (40, 990697), (251, 157880), (502, 78940), (1004, 39470), (1255, 31576), (2008, 19735), (2510, 15788), (3947, 10040), (5020, 7894)]