204720010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80917}}^1$

素因数の和:80958

約数の個数: 32

約数和(自身を含む): 419478912

約数和(自身を除く): 214758902

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 80917, 161834, 404585, 809170, 890087, 1780174, 1861091, 3722182, 4450435, 8900870, 9305455, 18610910, 20472001, 40944002, 102360005, 204720010]

約数ペア:

[(1, 204720010), (2, 102360005), (5, 40944002), (10, 20472001), (11, 18610910), (22, 9305455), (23, 8900870), (46, 4450435), (55, 3722182), (110, 1861091), (115, 1780174), (230, 890087), (253, 809170), (506, 404585), (1265, 161834), (2530, 80917)]