11405320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 27720000

約数和(自身を除く): 16314680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 349, 380, 430, 698, 760, 817, 860, 1396, 1634, 1720, 1745, 2792, 3268, 3490, 4085, 6536, 6631, 6980, 8170, 13262, 13960, 15007, 16340, 26524, 30014, 32680, 33155, 53048, 60028, 66310, 75035, 120056, 132620, 150070, 265240, 285133, 300140, 570266, 600280, 1140532, 1425665, 2281064, 2851330, 5702660, 11405320]

約数ペア:

[(1, 11405320), (2, 5702660), (4, 2851330), (5, 2281064), (8, 1425665), (10, 1140532), (19, 600280), (20, 570266), (38, 300140), (40, 285133), (43, 265240), (76, 150070), (86, 132620), (95, 120056), (152, 75035), (172, 66310), (190, 60028), (215, 53048), (344, 33155), (349, 32680), (380, 30014), (430, 26524), (698, 16340), (760, 15007), (817, 13960), (860, 13262), (1396, 8170), (1634, 6980), (1720, 6631), (1745, 6536), (2792, 4085), (3268, 3490)]