2019487840

素因数分解:

$2^5\times 5^1\times {\mathrm{12621799}}^1$

素因数の和:12621814

約数の個数: 24

約数和(自身を含む): 4771040400

約数和(自身を除く): 2751552560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12621799, 25243598, 50487196, 63108995, 100974392, 126217990, 201948784, 252435980, 403897568, 504871960, 1009743920, 2019487840]

約数ペア:

[(1, 2019487840), (2, 1009743920), (4, 504871960), (5, 403897568), (8, 252435980), (10, 201948784), (16, 126217990), (20, 100974392), (32, 63108995), (40, 50487196), (80, 25243598), (160, 12621799)]