200042320

素因数分解:

$2^4\times 5^1\times {\mathrm{2500529}}^1$

素因数の和:2500542

約数の個数: 20

約数和(自身を含む): 465098580

約数和(自身を除く): 265056260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2500529, 5001058, 10002116, 12502645, 20004232, 25005290, 40008464, 50010580, 100021160, 200042320]

約数ペア:

[(1, 200042320), (2, 100021160), (4, 50010580), (5, 40008464), (8, 25005290), (10, 20004232), (16, 12502645), (20, 10002116), (40, 5001058), (80, 2500529)]