28001875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4073}}^1$

素因数の和:4104

約数の個数: 20

約数和(自身を含む): 38181528

約数和(自身を除く): 10179653

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4073, 6875, 20365, 44803, 101825, 224015, 509125, 1120075, 2545625, 5600375, 28001875]

約数ペア:

[(1, 28001875), (5, 5600375), (11, 2545625), (25, 1120075), (55, 509125), (125, 224015), (275, 101825), (625, 44803), (1375, 20365), (4073, 6875)]