1118642680

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{140533}}^1$

素因数の和:140743

約数の個数: 32

約数和(自身を含む): 2529612000

約数和(自身を除く): 1410969320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 140533, 281066, 562132, 702665, 1124264, 1405330, 2810660, 5621320, 27966067, 55932134, 111864268, 139830335, 223728536, 279660670, 559321340, 1118642680]

約数ペア:

[(1, 1118642680), (2, 559321340), (4, 279660670), (5, 223728536), (8, 139830335), (10, 111864268), (20, 55932134), (40, 27966067), (199, 5621320), (398, 2810660), (796, 1405330), (995, 1124264), (1592, 702665), (1990, 562132), (3980, 281066), (7960, 140533)]