80212656560

素因数分解:

$2^4\times 5^1\times {\mathrm{1002658207}}^1$

素因数の和:1002658220

約数の個数: 20

約数和(自身を含む): 186494426688

約数和(自身を除く): 106281770128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002658207, 2005316414, 4010632828, 5013291035, 8021265656, 10026582070, 16042531312, 20053164140, 40106328280, 80212656560]

約数ペア:

[(1, 80212656560), (2, 40106328280), (4, 20053164140), (5, 16042531312), (8, 10026582070), (10, 8021265656), (16, 5013291035), (20, 4010632828), (40, 2005316414), (80, 1002658207)]