25202540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 58381344

約数和(自身を除く): 33178804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1181, 1940, 2134, 2362, 4268, 4724, 5335, 5905, 10670, 11810, 12991, 21340, 23620, 25982, 51964, 64955, 114557, 129910, 229114, 259820, 458228, 572785, 1145570, 1260127, 2291140, 2520254, 5040508, 6300635, 12601270, 25202540]

約数ペア:

[(1, 25202540), (2, 12601270), (4, 6300635), (5, 5040508), (10, 2520254), (11, 2291140), (20, 1260127), (22, 1145570), (44, 572785), (55, 458228), (97, 259820), (110, 229114), (194, 129910), (220, 114557), (388, 64955), (485, 51964), (970, 25982), (1067, 23620), (1181, 21340), (1940, 12991), (2134, 11810), (2362, 10670), (4268, 5905), (4724, 5335)]