420072160

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61057}}^1$

素因数の和:61115

約数の個数: 48

約数和(自身を含む): 1015516656

約数和(自身を除く): 595444496

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, 61057, 122114, 244228, 305285, 488456, 610570, 976912, 1221140, 1953824, 2442280, 2625451, 4884560, 5250902, 9769120, 10501804, 13127255, 21003608, 26254510, 42007216, 52509020, 84014432, 105018040, 210036080, 420072160]

約数ペア:

[(1, 420072160), (2, 210036080), (4, 105018040), (5, 84014432), (8, 52509020), (10, 42007216), (16, 26254510), (20, 21003608), (32, 13127255), (40, 10501804), (43, 9769120), (80, 5250902), (86, 4884560), (160, 2625451), (172, 2442280), (215, 1953824), (344, 1221140), (430, 976912), (688, 610570), (860, 488456), (1376, 305285), (1720, 244228), (3440, 122114), (6880, 61057)]