81036080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23557}}^1$

素因数の和:23613

約数の個数: 40

約数和(自身を含む): 192798672

約数和(自身を除く): 111762592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23557, 47114, 94228, 117785, 188456, 235570, 376912, 471140, 942280, 1012951, 1884560, 2025902, 4051804, 5064755, 8103608, 10129510, 16207216, 20259020, 40518040, 81036080]

約数ペア:

[(1, 81036080), (2, 40518040), (4, 20259020), (5, 16207216), (8, 10129510), (10, 8103608), (16, 5064755), (20, 4051804), (40, 2025902), (43, 1884560), (80, 1012951), (86, 942280), (172, 471140), (215, 376912), (344, 235570), (430, 188456), (688, 117785), (860, 94228), (1720, 47114), (3440, 23557)]