12111920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1499}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 28458000

約数和(自身を除く): 16346080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1499, 1616, 2020, 2998, 4040, 5996, 7495, 8080, 11992, 14990, 23984, 29980, 59960, 119920, 151399, 302798, 605596, 756995, 1211192, 1513990, 2422384, 3027980, 6055960, 12111920]

約数ペア:

[(1, 12111920), (2, 6055960), (4, 3027980), (5, 2422384), (8, 1513990), (10, 1211192), (16, 756995), (20, 605596), (40, 302798), (80, 151399), (101, 119920), (202, 59960), (404, 29980), (505, 23984), (808, 14990), (1010, 11992), (1499, 8080), (1616, 7495), (2020, 5996), (2998, 4040)]