8770280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5099}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 20196000

約数和(自身を除く): 11425720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5099, 10198, 20396, 25495, 40792, 50990, 101980, 203960, 219257, 438514, 877028, 1096285, 1754056, 2192570, 4385140, 8770280]

約数ペア:

[(1, 8770280), (2, 4385140), (4, 2192570), (5, 1754056), (8, 1096285), (10, 877028), (20, 438514), (40, 219257), (43, 203960), (86, 101980), (172, 50990), (215, 40792), (344, 25495), (430, 20396), (860, 10198), (1720, 5099)]