28710250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 55076112

約数和(自身を除く): 26365862

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 2801, 5125, 5602, 10250, 14005, 28010, 70025, 114841, 140050, 229682, 350125, 574205, 700250, 1148410, 2871025, 5742050, 14355125, 28710250]

約数ペア:

[(1, 28710250), (2, 14355125), (5, 5742050), (10, 2871025), (25, 1148410), (41, 700250), (50, 574205), (82, 350125), (125, 229682), (205, 140050), (250, 114841), (410, 70025), (1025, 28010), (2050, 14005), (2801, 10250), (5125, 5602)]