889040

素因数分解:

$2^4\times 5^1\times {\mathrm{11113}}^1$

素因数の和:11126

約数の個数: 20

約数和(自身を含む): 2067204

約数和(自身を除く): 1178164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11113, 22226, 44452, 55565, 88904, 111130, 177808, 222260, 444520, 889040]

約数ペア:

[(1, 889040), (2, 444520), (4, 222260), (5, 177808), (8, 111130), (10, 88904), (16, 55565), (20, 44452), (40, 22226), (80, 11113)]