40157840

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2251}}^1$

素因数の和:2487

約数の個数: 40

約数和(自身を含む): 93827328

約数和(自身を除く): 53669488

約数列:

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

約数ペア:

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