4485620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5675020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 167, 170, 316, 334, 340, 395, 668, 790, 835, 1343, 1580, 1670, 2686, 2839, 3340, 5372, 5678, 6715, 11356, 13193, 13430, 14195, 26386, 26860, 28390, 52772, 56780, 65965, 131930, 224281, 263860, 448562, 897124, 1121405, 2242810, 4485620]

約数ペア:

[(1, 4485620), (2, 2242810), (4, 1121405), (5, 897124), (10, 448562), (17, 263860), (20, 224281), (34, 131930), (68, 65965), (79, 56780), (85, 52772), (158, 28390), (167, 26860), (170, 26386), (316, 14195), (334, 13430), (340, 13193), (395, 11356), (668, 6715), (790, 5678), (835, 5372), (1343, 3340), (1580, 2839), (1670, 2686)]