72040760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163729}}^1$

素因数の和:163751

約数の個数: 32

約数和(自身を含む): 176828400

約数和(自身を除く): 104787640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163729, 327458, 654916, 818645, 1309832, 1637290, 1801019, 3274580, 3602038, 6549160, 7204076, 9005095, 14408152, 18010190, 36020380, 72040760]

約数ペア:

[(1, 72040760), (2, 36020380), (4, 18010190), (5, 14408152), (8, 9005095), (10, 7204076), (11, 6549160), (20, 3602038), (22, 3274580), (40, 1801019), (44, 1637290), (55, 1309832), (88, 818645), (110, 654916), (220, 327458), (440, 163729)]