51539540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1187}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 117355392

約数和(自身を除く): 65815852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1187, 1670, 2171, 2374, 3340, 4342, 4748, 5935, 8684, 10855, 11870, 15431, 21710, 23740, 30862, 43420, 61724, 77155, 154310, 198229, 308620, 396458, 792916, 991145, 1982290, 2576977, 3964580, 5153954, 10307908, 12884885, 25769770, 51539540]

約数ペア:

[(1, 51539540), (2, 25769770), (4, 12884885), (5, 10307908), (10, 5153954), (13, 3964580), (20, 2576977), (26, 1982290), (52, 991145), (65, 792916), (130, 396458), (167, 308620), (260, 198229), (334, 154310), (668, 77155), (835, 61724), (1187, 43420), (1670, 30862), (2171, 23740), (2374, 21710), (3340, 15431), (4342, 11870), (4748, 10855), (5935, 8684)]