85124680

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3727}}^1$

素因数の和:4309

約数の個数: 32

約数和(自身を含む): 191917440

約数和(自身を除く): 106792760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3727, 4568, 5710, 7454, 11420, 14908, 18635, 22840, 29816, 37270, 74540, 149080, 2128117, 4256234, 8512468, 10640585, 17024936, 21281170, 42562340, 85124680]

約数ペア:

[(1, 85124680), (2, 42562340), (4, 21281170), (5, 17024936), (8, 10640585), (10, 8512468), (20, 4256234), (40, 2128117), (571, 149080), (1142, 74540), (2284, 37270), (2855, 29816), (3727, 22840), (4568, 18635), (5710, 14908), (7454, 11420)]