28390625

素因数分解:

$5^6\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 28

約数和(自身を含む): 37499520

約数和(自身を除く): 9108895

約数列:

[1, 5, 23, 25, 79, 115, 125, 395, 575, 625, 1817, 1975, 2875, 3125, 9085, 9875, 14375, 15625, 45425, 49375, 71875, 227125, 246875, 359375, 1135625, 1234375, 5678125, 28390625]

約数ペア:

[(1, 28390625), (5, 5678125), (23, 1234375), (25, 1135625), (79, 359375), (115, 246875), (125, 227125), (395, 71875), (575, 49375), (625, 45425), (1817, 15625), (1975, 14375), (2875, 9875), (3125, 9085)]