1664217920

素因数分解:

$2^6\times 5^1\times {\mathrm{5200681}}^1$

素因数の和:5200698

約数の個数: 28

約数和(自身を含む): 3962919684

約数和(自身を除く): 2298701764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5200681, 10401362, 20802724, 26003405, 41605448, 52006810, 83210896, 104013620, 166421792, 208027240, 332843584, 416054480, 832108960, 1664217920]

約数ペア:

[(1, 1664217920), (2, 832108960), (4, 416054480), (5, 332843584), (8, 208027240), (10, 166421792), (16, 104013620), (20, 83210896), (32, 52006810), (40, 41605448), (64, 26003405), (80, 20802724), (160, 10401362), (320, 5200681)]