421716640

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{24181}}^1$

素因数の和:24305

約数の個数: 48

約数和(自身を含む): 1005487560

約数和(自身を除く): 583770920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 24181, 48362, 96724, 120905, 193448, 241810, 386896, 483620, 773792, 967240, 1934480, 2635729, 3868960, 5271458, 10542916, 13178645, 21085832, 26357290, 42171664, 52714580, 84343328, 105429160, 210858320, 421716640]

約数ペア:

[(1, 421716640), (2, 210858320), (4, 105429160), (5, 84343328), (8, 52714580), (10, 42171664), (16, 26357290), (20, 21085832), (32, 13178645), (40, 10542916), (80, 5271458), (109, 3868960), (160, 2635729), (218, 1934480), (436, 967240), (545, 773792), (872, 483620), (1090, 386896), (1744, 241810), (2180, 193448), (3488, 120905), (4360, 96724), (8720, 48362), (17440, 24181)]