40026860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 86184000

約数和(自身を除く): 46157140

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 199, 226, 356, 398, 445, 452, 565, 796, 890, 995, 1130, 1780, 1990, 2260, 3980, 10057, 17711, 20114, 22487, 35422, 40228, 44974, 50285, 70844, 88555, 89948, 100570, 112435, 177110, 201140, 224870, 354220, 449740, 2001343, 4002686, 8005372, 10006715, 20013430, 40026860]

約数ペア:

[(1, 40026860), (2, 20013430), (4, 10006715), (5, 8005372), (10, 4002686), (20, 2001343), (89, 449740), (113, 354220), (178, 224870), (199, 201140), (226, 177110), (356, 112435), (398, 100570), (445, 89948), (452, 88555), (565, 70844), (796, 50285), (890, 44974), (995, 40228), (1130, 35422), (1780, 22487), (1990, 20114), (2260, 17711), (3980, 10057)]