80277640

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13291}}^1$

素因数の和:13453

約数の個数: 32

約数和(自身を含む): 181834560

約数和(自身を除く): 101556920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 13291, 26582, 53164, 66455, 106328, 132910, 265820, 531640, 2006941, 4013882, 8027764, 10034705, 16055528, 20069410, 40138820, 80277640]

約数ペア:

[(1, 80277640), (2, 40138820), (4, 20069410), (5, 16055528), (8, 10034705), (10, 8027764), (20, 4013882), (40, 2006941), (151, 531640), (302, 265820), (604, 132910), (755, 106328), (1208, 66455), (1510, 53164), (3020, 26582), (6040, 13291)]