84765625

素因数分解:

$5^8\times 7^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 124999936

約数和(自身を除く): 40234311

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 625, 775, 875, 1085, 3125, 3875, 4375, 5425, 15625, 19375, 21875, 27125, 78125, 96875, 109375, 135625, 390625, 484375, 546875, 678125, 2421875, 2734375, 3390625, 12109375, 16953125, 84765625]

約数ペア:

[(1, 84765625), (5, 16953125), (7, 12109375), (25, 3390625), (31, 2734375), (35, 2421875), (125, 678125), (155, 546875), (175, 484375), (217, 390625), (625, 135625), (775, 109375), (875, 96875), (1085, 78125), (3125, 27125), (3875, 21875), (4375, 19375), (5425, 15625)]