128214740

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{4831}}^1$

素因数の和:6167

約数の個数: 24

約数和(自身を含む): 269509632

約数和(自身を除く): 141294892

約数列:

[1, 2, 4, 5, 10, 20, 1327, 2654, 4831, 5308, 6635, 9662, 13270, 19324, 24155, 26540, 48310, 96620, 6410737, 12821474, 25642948, 32053685, 64107370, 128214740]

約数ペア:

[(1, 128214740), (2, 64107370), (4, 32053685), (5, 25642948), (10, 12821474), (20, 6410737), (1327, 96620), (2654, 48310), (4831, 26540), (5308, 24155), (6635, 19324), (9662, 13270)]