40110440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5039}}^1$

素因数の和:5249

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 50609560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5039, 7960, 10078, 20156, 25195, 40312, 50390, 100780, 201560, 1002761, 2005522, 4011044, 5013805, 8022088, 10027610, 20055220, 40110440]

約数ペア:

[(1, 40110440), (2, 20055220), (4, 10027610), (5, 8022088), (8, 5013805), (10, 4011044), (20, 2005522), (40, 1002761), (199, 201560), (398, 100780), (796, 50390), (995, 40312), (1592, 25195), (1990, 20156), (3980, 10078), (5039, 7960)]