64577080

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1367}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 145527840

約数和(自身を除く): 80950760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 1367, 2362, 2734, 4724, 5468, 5905, 6835, 9448, 10936, 11810, 13670, 23620, 27340, 47240, 54680, 1614427, 3228854, 6457708, 8072135, 12915416, 16144270, 32288540, 64577080]

約数ペア:

[(1, 64577080), (2, 32288540), (4, 16144270), (5, 12915416), (8, 8072135), (10, 6457708), (20, 3228854), (40, 1614427), (1181, 54680), (1367, 47240), (2362, 27340), (2734, 23620), (4724, 13670), (5468, 11810), (5905, 10936), (6835, 9448)]