818440160

素因数分解:

$2^5\times 5^1\times {\mathrm{5115251}}^1$

素因数の和:5115266

約数の個数: 24

約数和(自身を含む): 1933565256

約数和(自身を除く): 1115125096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5115251, 10230502, 20461004, 25576255, 40922008, 51152510, 81844016, 102305020, 163688032, 204610040, 409220080, 818440160]

約数ペア:

[(1, 818440160), (2, 409220080), (4, 204610040), (5, 163688032), (8, 102305020), (10, 81844016), (16, 51152510), (20, 40922008), (32, 25576255), (40, 20461004), (80, 10230502), (160, 5115251)]