12121010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1091}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 24058944

約数和(自身を除く): 11937934

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1091, 1111, 2182, 2222, 5455, 5555, 10910, 11110, 12001, 24002, 60005, 110191, 120010, 220382, 550955, 1101910, 1212101, 2424202, 6060505, 12121010]

約数ペア:

[(1, 12121010), (2, 6060505), (5, 2424202), (10, 1212101), (11, 1101910), (22, 550955), (55, 220382), (101, 120010), (110, 110191), (202, 60005), (505, 24002), (1010, 12001), (1091, 11110), (1111, 10910), (2182, 5555), (2222, 5455)]