28332520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7013}}^1$

素因数の和:7125

約数の個数: 32

約数和(自身を含む): 64388520

約数和(自身を除く): 36056000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7013, 14026, 28052, 35065, 56104, 70130, 140260, 280520, 708313, 1416626, 2833252, 3541565, 5666504, 7083130, 14166260, 28332520]

約数ペア:

[(1, 28332520), (2, 14166260), (4, 7083130), (5, 5666504), (8, 3541565), (10, 2833252), (20, 1416626), (40, 708313), (101, 280520), (202, 140260), (404, 70130), (505, 56104), (808, 35065), (1010, 28052), (2020, 14026), (4040, 7013)]