10981340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 23807784

約数和(自身を除く): 12826444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 860, 1130, 2260, 4859, 9718, 12769, 19436, 24295, 25538, 48590, 51076, 63845, 97180, 127690, 255380, 549067, 1098134, 2196268, 2745335, 5490670, 10981340]

約数ペア:

[(1, 10981340), (2, 5490670), (4, 2745335), (5, 2196268), (10, 1098134), (20, 549067), (43, 255380), (86, 127690), (113, 97180), (172, 63845), (215, 51076), (226, 48590), (430, 25538), (452, 24295), (565, 19436), (860, 12769), (1130, 9718), (2260, 4859)]