61938440

素因数分解:

$2^3\times 5^1\times {\mathrm{1548461}}^1$

素因数の和:1548472

約数の個数: 16

約数和(自身を含む): 139361580

約数和(自身を除く): 77423140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1548461, 3096922, 6193844, 7742305, 12387688, 15484610, 30969220, 61938440]

約数ペア:

[(1, 61938440), (2, 30969220), (4, 15484610), (5, 12387688), (8, 7742305), (10, 6193844), (20, 3096922), (40, 1548461)]