16491880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5807}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 21143960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5807, 11614, 23228, 29035, 46456, 58070, 116140, 232280, 412297, 824594, 1649188, 2061485, 3298376, 4122970, 8245940, 16491880]

約数ペア:

[(1, 16491880), (2, 8245940), (4, 4122970), (5, 3298376), (8, 2061485), (10, 1649188), (20, 824594), (40, 412297), (71, 232280), (142, 116140), (284, 58070), (355, 46456), (568, 29035), (710, 23228), (1420, 11614), (2840, 5807)]