9039140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 20913984

約数和(自身を除く): 11874844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 227, 362, 454, 724, 905, 908, 1135, 1810, 1991, 2270, 2497, 3620, 3982, 4540, 4994, 7964, 9955, 9988, 12485, 19910, 24970, 39820, 41087, 49940, 82174, 164348, 205435, 410870, 451957, 821740, 903914, 1807828, 2259785, 4519570, 9039140]

約数ペア:

[(1, 9039140), (2, 4519570), (4, 2259785), (5, 1807828), (10, 903914), (11, 821740), (20, 451957), (22, 410870), (44, 205435), (55, 164348), (110, 82174), (181, 49940), (220, 41087), (227, 39820), (362, 24970), (454, 19910), (724, 12485), (905, 9988), (908, 9955), (1135, 7964), (1810, 4994), (1991, 4540), (2270, 3982), (2497, 3620)]