64918928

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{5003}}^1$

素因数の和:5822

約数の個数: 20

約数和(自身を含む): 125960688

約数和(自身を除く): 61041760

約数列:

[1, 2, 4, 8, 16, 811, 1622, 3244, 5003, 6488, 10006, 12976, 20012, 40024, 80048, 4057433, 8114866, 16229732, 32459464, 64918928]

約数ペア:

[(1, 64918928), (2, 32459464), (4, 16229732), (8, 8114866), (16, 4057433), (811, 80048), (1622, 40024), (3244, 20012), (5003, 12976), (6488, 10006)]