82140320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11939}}^1$

素因数の和:11997

約数の個数: 48

約数和(自身を含む): 198586080

約数和(自身を除く): 116445760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 11939, 23878, 47756, 59695, 95512, 119390, 191024, 238780, 382048, 477560, 513377, 955120, 1026754, 1910240, 2053508, 2566885, 4107016, 5133770, 8214032, 10267540, 16428064, 20535080, 41070160, 82140320]

約数ペア:

[(1, 82140320), (2, 41070160), (4, 20535080), (5, 16428064), (8, 10267540), (10, 8214032), (16, 5133770), (20, 4107016), (32, 2566885), (40, 2053508), (43, 1910240), (80, 1026754), (86, 955120), (160, 513377), (172, 477560), (215, 382048), (344, 238780), (430, 191024), (688, 119390), (860, 95512), (1376, 59695), (1720, 47756), (3440, 23878), (6880, 11939)]