28613750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2114

約数の個数: 40

約数和(自身を含む): 58537512

約数和(自身を除く): 29923762

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2081, 2750, 4162, 6875, 10405, 13750, 20810, 22891, 45782, 52025, 104050, 114455, 228910, 260125, 520250, 572275, 1144550, 1300625, 2601250, 2861375, 5722750, 14306875, 28613750]

約数ペア:

[(1, 28613750), (2, 14306875), (5, 5722750), (10, 2861375), (11, 2601250), (22, 1300625), (25, 1144550), (50, 572275), (55, 520250), (110, 260125), (125, 228910), (250, 114455), (275, 104050), (550, 52025), (625, 45782), (1250, 22891), (1375, 20810), (2081, 13750), (2750, 10405), (4162, 6875)]