80220320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21799}}^1$

素因数の和:21837

約数の個数: 48

約数和(自身を含む): 197769600

約数和(自身を除く): 117549280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21799, 43598, 87196, 108995, 174392, 217990, 348784, 435980, 501377, 697568, 871960, 1002754, 1743920, 2005508, 2506885, 3487840, 4011016, 5013770, 8022032, 10027540, 16044064, 20055080, 40110160, 80220320]

約数ペア:

[(1, 80220320), (2, 40110160), (4, 20055080), (5, 16044064), (8, 10027540), (10, 8022032), (16, 5013770), (20, 4011016), (23, 3487840), (32, 2506885), (40, 2005508), (46, 1743920), (80, 1002754), (92, 871960), (115, 697568), (160, 501377), (184, 435980), (230, 348784), (368, 217990), (460, 174392), (736, 108995), (920, 87196), (1840, 43598), (3680, 21799)]