57430840

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1409}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 129438000

約数和(自身を除く): 72007160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 1409, 2038, 2818, 4076, 5095, 5636, 7045, 8152, 10190, 11272, 14090, 20380, 28180, 40760, 56360, 1435771, 2871542, 5743084, 7178855, 11486168, 14357710, 28715420, 57430840]

約数ペア:

[(1, 57430840), (2, 28715420), (4, 14357710), (5, 11486168), (8, 7178855), (10, 5743084), (20, 2871542), (40, 1435771), (1019, 56360), (1409, 40760), (2038, 28180), (2818, 20380), (4076, 14090), (5095, 11272), (5636, 10190), (7045, 8152)]