81022750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{7537}}^1$

素因数の和:7597

約数の個数: 32

約数和(自身を含む): 155222496

約数和(自身を除く): 74199746

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 2150, 5375, 7537, 10750, 15074, 37685, 75370, 188425, 324091, 376850, 648182, 942125, 1620455, 1884250, 3240910, 8102275, 16204550, 40511375, 81022750]

約数ペア:

[(1, 81022750), (2, 40511375), (5, 16204550), (10, 8102275), (25, 3240910), (43, 1884250), (50, 1620455), (86, 942125), (125, 648182), (215, 376850), (250, 324091), (430, 188425), (1075, 75370), (2150, 37685), (5375, 15074), (7537, 10750)]