1640803880

素因数分解:

$2^3\times 5^1\times {\mathrm{41020097}}^1$

素因数の和:41020108

約数の個数: 16

約数和(自身を含む): 3691808820

約数和(自身を除く): 2051004940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41020097, 82040194, 164080388, 205100485, 328160776, 410200970, 820401940, 1640803880]

約数ペア:

[(1, 1640803880), (2, 820401940), (4, 410200970), (5, 328160776), (8, 205100485), (10, 164080388), (20, 82040194), (40, 41020097)]