163954160

素因数分解:

$2^4\times 5^1\times {\mathrm{2049427}}^1$

素因数の和:2049440

約数の個数: 20

約数和(自身を含む): 381193608

約数和(自身を除く): 217239448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2049427, 4098854, 8197708, 10247135, 16395416, 20494270, 32790832, 40988540, 81977080, 163954160]

約数ペア:

[(1, 163954160), (2, 81977080), (4, 40988540), (5, 32790832), (8, 20494270), (10, 16395416), (16, 10247135), (20, 8197708), (40, 4098854), (80, 2049427)]