39699460

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2003}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 83494656

約数和(自身を除く): 43795196

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 2003, 3964, 4006, 4955, 8012, 9910, 10015, 19820, 20030, 40060, 1984973, 3969946, 7939892, 9924865, 19849730, 39699460]

約数ペア:

[(1, 39699460), (2, 19849730), (4, 9924865), (5, 7939892), (10, 3969946), (20, 1984973), (991, 40060), (1982, 20030), (2003, 19820), (3964, 10015), (4006, 9910), (4955, 8012)]