8180320

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 20956320

約数和(自身を除く): 12776000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 43, 58, 80, 82, 86, 116, 145, 160, 164, 172, 205, 215, 232, 290, 328, 344, 410, 430, 464, 580, 656, 688, 820, 860, 928, 1160, 1189, 1247, 1312, 1376, 1640, 1720, 1763, 2320, 2378, 2494, 3280, 3440, 3526, 4640, 4756, 4988, 5945, 6235, 6560, 6880, 7052, 8815, 9512, 9976, 11890, 12470, 14104, 17630, 19024, 19952, 23780, 24940, 28208, 35260, 38048, 39904, 47560, 49880, 51127, 56416, 70520, 95120, 99760, 102254, 141040, 190240, 199520, 204508, 255635, 282080, 409016, 511270, 818032, 1022540, 1636064, 2045080, 4090160, 8180320]

約数ペア:

[(1, 8180320), (2, 4090160), (4, 2045080), (5, 1636064), (8, 1022540), (10, 818032), (16, 511270), (20, 409016), (29, 282080), (32, 255635), (40, 204508), (41, 199520), (43, 190240), (58, 141040), (80, 102254), (82, 99760), (86, 95120), (116, 70520), (145, 56416), (160, 51127), (164, 49880), (172, 47560), (205, 39904), (215, 38048), (232, 35260), (290, 28208), (328, 24940), (344, 23780), (410, 19952), (430, 19024), (464, 17630), (580, 14104), (656, 12470), (688, 11890), (820, 9976), (860, 9512), (928, 8815), (1160, 7052), (1189, 6880), (1247, 6560), (1312, 6235), (1376, 5945), (1640, 4988), (1720, 4756), (1763, 4640), (2320, 3526), (2378, 3440), (2494, 3280)]