27891875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4057}}^1$

素因数の和:4088

約数の個数: 20

約数和(自身を含む): 38031576

約数和(自身を除く): 10139701

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4057, 6875, 20285, 44627, 101425, 223135, 507125, 1115675, 2535625, 5578375, 27891875]

約数ペア:

[(1, 27891875), (5, 5578375), (11, 2535625), (25, 1115675), (55, 507125), (125, 223135), (275, 101425), (625, 44627), (1375, 20285), (4057, 6875)]