2620400

素因数分解:

$2^4\times 5^2\times {\mathrm{6551}}^1$

素因数の和:6569

約数の個数: 30

約数和(自身を含む): 6296472

約数和(自身を除く): 3676072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6551, 13102, 26204, 32755, 52408, 65510, 104816, 131020, 163775, 262040, 327550, 524080, 655100, 1310200, 2620400]

約数ペア:

[(1, 2620400), (2, 1310200), (4, 655100), (5, 524080), (8, 327550), (10, 262040), (16, 163775), (20, 131020), (25, 104816), (40, 65510), (50, 52408), (80, 32755), (100, 26204), (200, 13102), (400, 6551)]