45045640

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5659}}^1$

素因数の和:5869

約数の個数: 32

約数和(自身を含む): 101880000

約数和(自身を除く): 56834360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5659, 7960, 11318, 22636, 28295, 45272, 56590, 113180, 226360, 1126141, 2252282, 4504564, 5630705, 9009128, 11261410, 22522820, 45045640]

約数ペア:

[(1, 45045640), (2, 22522820), (4, 11261410), (5, 9009128), (8, 5630705), (10, 4504564), (20, 2252282), (40, 1126141), (199, 226360), (398, 113180), (796, 56590), (995, 45272), (1592, 28295), (1990, 22636), (3980, 11318), (5659, 7960)]