40648870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 78016608

約数和(自身を除く): 37367738

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1523, 1570, 2669, 3046, 5338, 7615, 13345, 15230, 25891, 26690, 51782, 129455, 239111, 258910, 478222, 1195555, 2391110, 4064887, 8129774, 20324435, 40648870]

約数ペア:

[(1, 40648870), (2, 20324435), (5, 8129774), (10, 4064887), (17, 2391110), (34, 1195555), (85, 478222), (157, 258910), (170, 239111), (314, 129455), (785, 51782), (1523, 26690), (1570, 25891), (2669, 15230), (3046, 13345), (5338, 7615)]