28428125

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 10381891

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 827, 1375, 3125, 4135, 6875, 9097, 20675, 34375, 45485, 103375, 227425, 516875, 1137125, 2584375, 5685625, 28428125]

約数ペア:

[(1, 28428125), (5, 5685625), (11, 2584375), (25, 1137125), (55, 516875), (125, 227425), (275, 103375), (625, 45485), (827, 34375), (1375, 20675), (3125, 9097), (4135, 6875)]