1664157080

素因数分解:

$2^3\times 5^1\times {\mathrm{41603927}}^1$

素因数の和:41603938

約数の個数: 16

約数和(自身を含む): 3744353520

約数和(自身を除く): 2080196440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41603927, 83207854, 166415708, 208019635, 332831416, 416039270, 832078540, 1664157080]

約数ペア:

[(1, 1664157080), (2, 832078540), (4, 416039270), (5, 332831416), (8, 208019635), (10, 166415708), (20, 83207854), (40, 41603927)]