3376420

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 7125048

約数和(自身を除く): 3748628

約数列:

[1, 2, 4, 5, 10, 20, 401, 421, 802, 842, 1604, 1684, 2005, 2105, 4010, 4210, 8020, 8420, 168821, 337642, 675284, 844105, 1688210, 3376420]

約数ペア:

[(1, 3376420), (2, 1688210), (4, 844105), (5, 675284), (10, 337642), (20, 168821), (401, 8420), (421, 8020), (802, 4210), (842, 4010), (1604, 2105), (1684, 2005)]