172916780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109441}}^1$

素因数の和:109529

約数の個数: 24

約数和(自身を含む): 367725120

約数和(自身を除く): 194808340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 109441, 218882, 437764, 547205, 1094410, 2188820, 8645839, 17291678, 34583356, 43229195, 86458390, 172916780]

約数ペア:

[(1, 172916780), (2, 86458390), (4, 43229195), (5, 34583356), (10, 17291678), (20, 8645839), (79, 2188820), (158, 1094410), (316, 547205), (395, 437764), (790, 218882), (1580, 109441)]