285280245080

素因数分解:

$2^3\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{4720057}}^1$

素因数の和:4721579

約数の個数: 32

約数和(自身を含む): 642305492640

約数和(自身を除く): 357025247560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1511, 3022, 6044, 7555, 12088, 15110, 30220, 60440, 4720057, 9440114, 18880228, 23600285, 37760456, 47200570, 94401140, 188802280, 7132006127, 14264012254, 28528024508, 35660030635, 57056049016, 71320061270, 142640122540, 285280245080]

約数ペア:

[(1, 285280245080), (2, 142640122540), (4, 71320061270), (5, 57056049016), (8, 35660030635), (10, 28528024508), (20, 14264012254), (40, 7132006127), (1511, 188802280), (3022, 94401140), (6044, 47200570), (7555, 37760456), (12088, 23600285), (15110, 18880228), (30220, 9440114), (60440, 4720057)]