31799240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72271}}^1$

素因数の和:72293

約数の個数: 32

約数和(自身を含む): 78053760

約数和(自身を除く): 46254520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72271, 144542, 289084, 361355, 578168, 722710, 794981, 1445420, 1589962, 2890840, 3179924, 3974905, 6359848, 7949810, 15899620, 31799240]

約数ペア:

[(1, 31799240), (2, 15899620), (4, 7949810), (5, 6359848), (8, 3974905), (10, 3179924), (11, 2890840), (20, 1589962), (22, 1445420), (40, 794981), (44, 722710), (55, 578168), (88, 361355), (110, 289084), (220, 144542), (440, 72271)]