17642320

素因数分解:

$2^4\times 5^1\times {\mathrm{220529}}^1$

素因数の和:220542

約数の個数: 20

約数和(自身を含む): 41018580

約数和(自身を除く): 23376260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 220529, 441058, 882116, 1102645, 1764232, 2205290, 3528464, 4410580, 8821160, 17642320]

約数ペア:

[(1, 17642320), (2, 8821160), (4, 4410580), (5, 3528464), (8, 2205290), (10, 1764232), (16, 1102645), (20, 882116), (40, 441058), (80, 220529)]