7406320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 17628336

約数和(自身を除く): 10222016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2153, 3440, 4306, 8612, 10765, 17224, 21530, 34448, 43060, 86120, 92579, 172240, 185158, 370316, 462895, 740632, 925790, 1481264, 1851580, 3703160, 7406320]

約数ペア:

[(1, 7406320), (2, 3703160), (4, 1851580), (5, 1481264), (8, 925790), (10, 740632), (16, 462895), (20, 370316), (40, 185158), (43, 172240), (80, 92579), (86, 86120), (172, 43060), (215, 34448), (344, 21530), (430, 17224), (688, 10765), (860, 8612), (1720, 4306), (2153, 3440)]