51556840

素因数分解:

$2^3\times 5^1\times {\mathrm{1288921}}^1$

素因数の和:1288932

約数の個数: 16

約数和(自身を含む): 116002980

約数和(自身を除く): 64446140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1288921, 2577842, 5155684, 6444605, 10311368, 12889210, 25778420, 51556840]

約数ペア:

[(1, 51556840), (2, 25778420), (4, 12889210), (5, 10311368), (8, 6444605), (10, 5155684), (20, 2577842), (40, 1288921)]