25758560

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 61236000

約数和(自身を除く): 35477440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 809, 995, 1592, 1618, 1990, 3184, 3236, 3980, 4045, 6368, 6472, 7960, 8090, 12944, 15920, 16180, 25888, 31840, 32360, 64720, 129440, 160991, 321982, 643964, 804955, 1287928, 1609910, 2575856, 3219820, 5151712, 6439640, 12879280, 25758560]

約数ペア:

[(1, 25758560), (2, 12879280), (4, 6439640), (5, 5151712), (8, 3219820), (10, 2575856), (16, 1609910), (20, 1287928), (32, 804955), (40, 643964), (80, 321982), (160, 160991), (199, 129440), (398, 64720), (796, 32360), (809, 31840), (995, 25888), (1592, 16180), (1618, 15920), (1990, 12944), (3184, 8090), (3236, 7960), (3980, 6472), (4045, 6368)]