55143580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 124225920

約数和(自身を除く): 69082340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2053, 2686, 4106, 5372, 6715, 8212, 10265, 13430, 20530, 26860, 34901, 41060, 69802, 139604, 162187, 174505, 324374, 349010, 648748, 698020, 810935, 1621870, 2757179, 3243740, 5514358, 11028716, 13785895, 27571790, 55143580]

約数ペア:

[(1, 55143580), (2, 27571790), (4, 13785895), (5, 11028716), (10, 5514358), (17, 3243740), (20, 2757179), (34, 1621870), (68, 810935), (79, 698020), (85, 648748), (158, 349010), (170, 324374), (316, 174505), (340, 162187), (395, 139604), (790, 69802), (1343, 41060), (1580, 34901), (2053, 26860), (2686, 20530), (4106, 13430), (5372, 10265), (6715, 8212)]