51668915240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30040067}}^1$

素因数の和:30040121

約数の個数: 32

約数和(自身を含む): 118958669280

約数和(自身を除く): 67289754040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30040067, 60080134, 120160268, 150200335, 240320536, 300400670, 600801340, 1201602680, 1291722881, 2583445762, 5166891524, 6458614405, 10333783048, 12917228810, 25834457620, 51668915240]

約数ペア:

[(1, 51668915240), (2, 25834457620), (4, 12917228810), (5, 10333783048), (8, 6458614405), (10, 5166891524), (20, 2583445762), (40, 1291722881), (43, 1201602680), (86, 600801340), (172, 300400670), (215, 240320536), (344, 150200335), (430, 120160268), (860, 60080134), (1720, 30040067)]