72601960

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3727}}^1$

素因数の和:4225

約数の個数: 32

約数和(自身を含む): 163733760

約数和(自身を除く): 91131800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3727, 3896, 4870, 7454, 9740, 14908, 18635, 19480, 29816, 37270, 74540, 149080, 1815049, 3630098, 7260196, 9075245, 14520392, 18150490, 36300980, 72601960]

約数ペア:

[(1, 72601960), (2, 36300980), (4, 18150490), (5, 14520392), (8, 9075245), (10, 7260196), (20, 3630098), (40, 1815049), (487, 149080), (974, 74540), (1948, 37270), (2435, 29816), (3727, 19480), (3896, 18635), (4870, 14908), (7454, 9740)]