53890.000000

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 1496880

約数和(自身を除く): 879640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1187, 2374, 4748, 5935, 9496, 11870, 15431, 23740, 30862, 47480, 61724, 77155, 123448, 154310, 308620, 617240]

約数ペア:

[(1, 617240), (2, 308620), (4, 154310), (5, 123448), (8, 77155), (10, 61724), (13, 47480), (20, 30862), (26, 23740), (40, 15431), (52, 11870), (65, 9496), (104, 5935), (130, 4748), (260, 2374), (520, 1187)]