9728920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8387}}^1$

素因数の和:8427

約数の個数: 32

約数和(自身を含む): 22647600

約数和(自身を除く): 12918680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 8387, 16774, 33548, 41935, 67096, 83870, 167740, 243223, 335480, 486446, 972892, 1216115, 1945784, 2432230, 4864460, 9728920]

約数ペア:

[(1, 9728920), (2, 4864460), (4, 2432230), (5, 1945784), (8, 1216115), (10, 972892), (20, 486446), (29, 335480), (40, 243223), (58, 167740), (116, 83870), (145, 67096), (232, 41935), (290, 33548), (580, 16774), (1160, 8387)]