28110100

素因数分解:

$2^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{701}}^1$

素因数の和:1116

約数の個数: 36

約数和(自身を含む): 61238268

約数和(自身を除く): 33128168

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 701, 802, 1402, 1604, 2005, 2804, 3505, 4010, 7010, 8020, 10025, 14020, 17525, 20050, 35050, 40100, 70100, 281101, 562202, 1124404, 1405505, 2811010, 5622020, 7027525, 14055050, 28110100]

約数ペア:

[(1, 28110100), (2, 14055050), (4, 7027525), (5, 5622020), (10, 2811010), (20, 1405505), (25, 1124404), (50, 562202), (100, 281101), (401, 70100), (701, 40100), (802, 35050), (1402, 20050), (1604, 17525), (2005, 14020), (2804, 10025), (3505, 8020), (4010, 7010)]