66980080

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2399}}^1$

素因数の和:2761

約数の個数: 40

約数和(自身を含む): 156240000

約数和(自身を除く): 89259920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2399, 2792, 3490, 4798, 5584, 6980, 9596, 11995, 13960, 19192, 23990, 27920, 38384, 47980, 95960, 191920, 837251, 1674502, 3349004, 4186255, 6698008, 8372510, 13396016, 16745020, 33490040, 66980080]

約数ペア:

[(1, 66980080), (2, 33490040), (4, 16745020), (5, 13396016), (8, 8372510), (10, 6698008), (16, 4186255), (20, 3349004), (40, 1674502), (80, 837251), (349, 191920), (698, 95960), (1396, 47980), (1745, 38384), (2399, 27920), (2792, 23990), (3490, 19192), (4798, 13960), (5584, 11995), (6980, 9596)]