40588040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5099}}^1$

素因数の和:5309

約数の個数: 32

約数和(自身を含む): 91800000

約数和(自身を除く): 51211960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5099, 7960, 10198, 20396, 25495, 40792, 50990, 101980, 203960, 1014701, 2029402, 4058804, 5073505, 8117608, 10147010, 20294020, 40588040]

約数ペア:

[(1, 40588040), (2, 20294020), (4, 10147010), (5, 8117608), (8, 5073505), (10, 4058804), (20, 2029402), (40, 1014701), (199, 203960), (398, 101980), (796, 50990), (995, 40792), (1592, 25495), (1990, 20396), (3980, 10198), (5099, 7960)]