72882440

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3191}}^1$

素因数の和:3773

約数の個数: 32

約数和(自身を含む): 164324160

約数和(自身を除く): 91441720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3191, 4568, 5710, 6382, 11420, 12764, 15955, 22840, 25528, 31910, 63820, 127640, 1822061, 3644122, 7288244, 9110305, 14576488, 18220610, 36441220, 72882440]

約数ペア:

[(1, 72882440), (2, 36441220), (4, 18220610), (5, 14576488), (8, 9110305), (10, 7288244), (20, 3644122), (40, 1822061), (571, 127640), (1142, 63820), (2284, 31910), (2855, 25528), (3191, 22840), (4568, 15955), (5710, 12764), (6382, 11420)]