8640625

素因数分解:

$5^6\times 7^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 28

約数和(自身を含む): 12499840

約数和(自身を除く): 3859215

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 395, 553, 625, 875, 1975, 2765, 3125, 4375, 9875, 13825, 15625, 21875, 49375, 69125, 109375, 246875, 345625, 1234375, 1728125, 8640625]

約数ペア:

[(1, 8640625), (5, 1728125), (7, 1234375), (25, 345625), (35, 246875), (79, 109375), (125, 69125), (175, 49375), (395, 21875), (553, 15625), (625, 13825), (875, 9875), (1975, 4375), (2765, 3125)]