5136800

素因数分解:

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

素因数の和:6441

約数の個数: 36

約数和(自身を含む): 12542166

約数和(自身を除く): 7405366

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 6421, 12842, 25684, 32105, 51368, 64210, 102736, 128420, 160525, 205472, 256840, 321050, 513680, 642100, 1027360, 1284200, 2568400, 5136800]

約数ペア:

[(1, 5136800), (2, 2568400), (4, 1284200), (5, 1027360), (8, 642100), (10, 513680), (16, 321050), (20, 256840), (25, 205472), (32, 160525), (40, 128420), (50, 102736), (80, 64210), (100, 51368), (160, 32105), (200, 25684), (400, 12842), (800, 6421)]