201420040

素因数分解:

$2^3\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{2399}}^1$

素因数の和:4509

約数の個数: 32

約数和(自身を含む): 453600000

約数和(自身を除く): 252179960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2099, 2399, 4198, 4798, 8396, 9596, 10495, 11995, 16792, 19192, 20990, 23990, 41980, 47980, 83960, 95960, 5035501, 10071002, 20142004, 25177505, 40284008, 50355010, 100710020, 201420040]

約数ペア:

[(1, 201420040), (2, 100710020), (4, 50355010), (5, 40284008), (8, 25177505), (10, 20142004), (20, 10071002), (40, 5035501), (2099, 95960), (2399, 83960), (4198, 47980), (4798, 41980), (8396, 23990), (9596, 20990), (10495, 19192), (11995, 16792)]