2684420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 5712000

約数和(自身を除く): 3027580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1699, 3398, 6796, 8495, 16990, 33980, 134221, 268442, 536884, 671105, 1342210, 2684420]

約数ペア:

[(1, 2684420), (2, 1342210), (4, 671105), (5, 536884), (10, 268442), (20, 134221), (79, 33980), (158, 16990), (316, 8495), (395, 6796), (790, 3398), (1580, 1699)]