8897620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 19611648

約数和(自身を除く): 10714028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 127, 155, 226, 254, 310, 452, 508, 565, 620, 635, 1130, 1270, 2260, 2540, 3503, 3937, 7006, 7874, 14012, 14351, 15748, 17515, 19685, 28702, 35030, 39370, 57404, 70060, 71755, 78740, 143510, 287020, 444881, 889762, 1779524, 2224405, 4448810, 8897620]

約数ペア:

[(1, 8897620), (2, 4448810), (4, 2224405), (5, 1779524), (10, 889762), (20, 444881), (31, 287020), (62, 143510), (113, 78740), (124, 71755), (127, 70060), (155, 57404), (226, 39370), (254, 35030), (310, 28702), (452, 19685), (508, 17515), (565, 15748), (620, 14351), (635, 14012), (1130, 7874), (1270, 7006), (2260, 3937), (2540, 3503)]