2568400

素因数分解:

$2^4\times 5^2\times {\mathrm{6421}}^1$

素因数の和:6439

約数の個数: 30

約数和(自身を含む): 6171542

約数和(自身を除く): 3603142

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6421, 12842, 25684, 32105, 51368, 64210, 102736, 128420, 160525, 256840, 321050, 513680, 642100, 1284200, 2568400]

約数ペア:

[(1, 2568400), (2, 1284200), (4, 642100), (5, 513680), (8, 321050), (10, 256840), (16, 160525), (20, 128420), (25, 102736), (40, 64210), (50, 51368), (80, 32105), (100, 25684), (200, 12842), (400, 6421)]