4031920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 9486000

約数和(自身を除く): 5454080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 499, 505, 808, 998, 1010, 1616, 1996, 2020, 2495, 3992, 4040, 4990, 7984, 8080, 9980, 19960, 39920, 50399, 100798, 201596, 251995, 403192, 503990, 806384, 1007980, 2015960, 4031920]

約数ペア:

[(1, 4031920), (2, 2015960), (4, 1007980), (5, 806384), (8, 503990), (10, 403192), (16, 251995), (20, 201596), (40, 100798), (80, 50399), (101, 39920), (202, 19960), (404, 9980), (499, 8080), (505, 7984), (808, 4990), (998, 4040), (1010, 3992), (1616, 2495), (1996, 2020)]