71632040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8999}}^1$

素因数の和:9209

約数の個数: 32

約数和(自身を含む): 162000000

約数和(自身を除く): 90367960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8999, 17998, 35996, 44995, 71992, 89990, 179980, 359960, 1790801, 3581602, 7163204, 8954005, 14326408, 17908010, 35816020, 71632040]

約数ペア:

[(1, 71632040), (2, 35816020), (4, 17908010), (5, 14326408), (8, 8954005), (10, 7163204), (20, 3581602), (40, 1790801), (199, 359960), (398, 179980), (796, 89990), (995, 71992), (1592, 44995), (1990, 35996), (3980, 17998), (7960, 8999)]