12793360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3775

約数の個数: 40

約数和(自身を含む): 30444480

約数和(自身を除く): 17651120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3719, 7438, 14876, 18595, 29752, 37190, 59504, 74380, 148760, 159917, 297520, 319834, 639668, 799585, 1279336, 1599170, 2558672, 3198340, 6396680, 12793360]

約数ペア:

[(1, 12793360), (2, 6396680), (4, 3198340), (5, 2558672), (8, 1599170), (10, 1279336), (16, 799585), (20, 639668), (40, 319834), (43, 297520), (80, 159917), (86, 148760), (172, 74380), (215, 59504), (344, 37190), (430, 29752), (688, 18595), (860, 14876), (1720, 7438), (3440, 3719)]