71919580

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{3461}}^1$

素因数の和:4509

約数の個数: 24

約数和(自身を含む): 151220160

約数和(自身を除く): 79300580

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 3461, 4156, 5195, 6922, 10390, 13844, 17305, 20780, 34610, 69220, 3595979, 7191958, 14383916, 17979895, 35959790, 71919580]

約数ペア:

[(1, 71919580), (2, 35959790), (4, 17979895), (5, 14383916), (10, 7191958), (20, 3595979), (1039, 69220), (2078, 34610), (3461, 20780), (4156, 17305), (5195, 13844), (6922, 10390)]