39725390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 75600000

約数和(自身を除く): 35874610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 499, 838, 998, 2095, 2495, 4190, 4990, 7961, 9481, 15922, 18962, 39805, 47405, 79610, 94810, 209081, 418162, 1045405, 2090810, 3972539, 7945078, 19862695, 39725390]

約数ペア:

[(1, 39725390), (2, 19862695), (5, 7945078), (10, 3972539), (19, 2090810), (38, 1045405), (95, 418162), (190, 209081), (419, 94810), (499, 79610), (838, 47405), (998, 39805), (2095, 18962), (2495, 15922), (4190, 9481), (4990, 7961)]