4572620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 10607520

約数和(自身を除く): 6034900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 409, 430, 559, 818, 860, 1118, 1636, 2045, 2236, 2795, 4090, 5317, 5590, 8180, 10634, 11180, 17587, 21268, 26585, 35174, 53170, 70348, 87935, 106340, 175870, 228631, 351740, 457262, 914524, 1143155, 2286310, 4572620]

約数ペア:

[(1, 4572620), (2, 2286310), (4, 1143155), (5, 914524), (10, 457262), (13, 351740), (20, 228631), (26, 175870), (43, 106340), (52, 87935), (65, 70348), (86, 53170), (130, 35174), (172, 26585), (215, 21268), (260, 17587), (409, 11180), (430, 10634), (559, 8180), (818, 5590), (860, 5317), (1118, 4090), (1636, 2795), (2045, 2236)]