16398160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2971

約数の個数: 40

約数和(自身を含む): 38676096

約数和(自身を除く): 22277936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 2887, 5680, 5774, 11548, 14435, 23096, 28870, 46192, 57740, 115480, 204977, 230960, 409954, 819908, 1024885, 1639816, 2049770, 3279632, 4099540, 8199080, 16398160]

約数ペア:

[(1, 16398160), (2, 8199080), (4, 4099540), (5, 3279632), (8, 2049770), (10, 1639816), (16, 1024885), (20, 819908), (40, 409954), (71, 230960), (80, 204977), (142, 115480), (284, 57740), (355, 46192), (568, 28870), (710, 23096), (1136, 14435), (1420, 11548), (2840, 5774), (2887, 5680)]