27630625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4019}}^1$

素因数の和:4050

約数の個数: 20

約数和(自身を含む): 37675440

約数和(自身を除く): 10044815

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4019, 6875, 20095, 44209, 100475, 221045, 502375, 1105225, 2511875, 5526125, 27630625]

約数ペア:

[(1, 27630625), (5, 5526125), (11, 2511875), (25, 1105225), (55, 502375), (125, 221045), (275, 100475), (625, 44209), (1375, 20095), (4019, 6875)]