82856780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^2$

素因数の和:546

約数の個数: 36

約数和(自身を含む): 176974560

約数和(自身を除く): 94117780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 229, 316, 395, 458, 790, 916, 1145, 1580, 2290, 4580, 18091, 36182, 52441, 72364, 90455, 104882, 180910, 209764, 262205, 361820, 524410, 1048820, 4142839, 8285678, 16571356, 20714195, 41428390, 82856780]

約数ペア:

[(1, 82856780), (2, 41428390), (4, 20714195), (5, 16571356), (10, 8285678), (20, 4142839), (79, 1048820), (158, 524410), (229, 361820), (316, 262205), (395, 209764), (458, 180910), (790, 104882), (916, 90455), (1145, 72364), (1580, 52441), (2290, 36182), (4580, 18091)]