64737740

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{10211}}^1$

素因数の和:10537

約数の個数: 24

約数和(自身を含む): 136391472

約数和(自身を除く): 71653732

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 10211, 20422, 40844, 51055, 102110, 204220, 3236887, 6473774, 12947548, 16184435, 32368870, 64737740]

約数ペア:

[(1, 64737740), (2, 32368870), (4, 16184435), (5, 12947548), (10, 6473774), (20, 3236887), (317, 204220), (634, 102110), (1268, 51055), (1585, 40844), (3170, 20422), (6340, 10211)]