4448125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 6073056

約数和(自身を除く): 1624931

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 647, 1375, 3235, 6875, 7117, 16175, 35585, 80875, 177925, 404375, 889625, 4448125]

約数ペア:

[(1, 4448125), (5, 889625), (11, 404375), (25, 177925), (55, 80875), (125, 35585), (275, 16175), (625, 7117), (647, 6875), (1375, 3235)]