80315680

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2251}}^1$

素因数の和:2489

約数の個数: 48

約数和(自身を含む): 190681344

約数和(自身を除く): 110365664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 2251, 3568, 4460, 4502, 7136, 8920, 9004, 11255, 17840, 18008, 22510, 35680, 36016, 45020, 72032, 90040, 180080, 360160, 501973, 1003946, 2007892, 2509865, 4015784, 5019730, 8031568, 10039460, 16063136, 20078920, 40157840, 80315680]

約数ペア:

[(1, 80315680), (2, 40157840), (4, 20078920), (5, 16063136), (8, 10039460), (10, 8031568), (16, 5019730), (20, 4015784), (32, 2509865), (40, 2007892), (80, 1003946), (160, 501973), (223, 360160), (446, 180080), (892, 90040), (1115, 72032), (1784, 45020), (2230, 36016), (2251, 35680), (3568, 22510), (4460, 18008), (4502, 17840), (7136, 11255), (8920, 9004)]