56653480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108949}}^1$

素因数の和:108973

約数の個数: 32

約数和(自身を含む): 137277000

約数和(自身を除く): 80623520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108949, 217898, 435796, 544745, 871592, 1089490, 1416337, 2178980, 2832674, 4357960, 5665348, 7081685, 11330696, 14163370, 28326740, 56653480]

約数ペア:

[(1, 56653480), (2, 28326740), (4, 14163370), (5, 11330696), (8, 7081685), (10, 5665348), (13, 4357960), (20, 2832674), (26, 2178980), (40, 1416337), (52, 1089490), (65, 871592), (104, 544745), (130, 435796), (260, 217898), (520, 108949)]