31984375

素因数分解:

$5^6\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 28

約数和(自身を含む): 42186960

約数和(自身を除く): 10202585

約数列:

[1, 5, 23, 25, 89, 115, 125, 445, 575, 625, 2047, 2225, 2875, 3125, 10235, 11125, 14375, 15625, 51175, 55625, 71875, 255875, 278125, 359375, 1279375, 1390625, 6396875, 31984375]

約数ペア:

[(1, 31984375), (5, 6396875), (23, 1390625), (25, 1279375), (89, 359375), (115, 278125), (125, 255875), (445, 71875), (575, 55625), (625, 51175), (2047, 15625), (2225, 14375), (2875, 11125), (3125, 10235)]