163281620

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{8713}}^1$

素因数の和:9659

約数の個数: 24

約数和(自身を含む): 343296744

約数和(自身を除く): 180015124

約数列:

[1, 2, 4, 5, 10, 20, 937, 1874, 3748, 4685, 8713, 9370, 17426, 18740, 34852, 43565, 87130, 174260, 8164081, 16328162, 32656324, 40820405, 81640810, 163281620]

約数ペア:

[(1, 163281620), (2, 81640810), (4, 40820405), (5, 32656324), (10, 16328162), (20, 8164081), (937, 174260), (1874, 87130), (3748, 43565), (4685, 34852), (8713, 18740), (9370, 17426)]