13202720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 33929280

約数和(自身を除く): 20726560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 101, 152, 160, 172, 190, 202, 215, 304, 344, 380, 404, 430, 505, 608, 688, 760, 808, 817, 860, 1010, 1376, 1520, 1616, 1634, 1720, 1919, 2020, 3040, 3232, 3268, 3440, 3838, 4040, 4085, 4343, 6536, 6880, 7676, 8080, 8170, 8686, 9595, 13072, 15352, 16160, 16340, 17372, 19190, 21715, 26144, 30704, 32680, 34744, 38380, 43430, 61408, 65360, 69488, 76760, 82517, 86860, 130720, 138976, 153520, 165034, 173720, 307040, 330068, 347440, 412585, 660136, 694880, 825170, 1320272, 1650340, 2640544, 3300680, 6601360, 13202720]

約数ペア:

[(1, 13202720), (2, 6601360), (4, 3300680), (5, 2640544), (8, 1650340), (10, 1320272), (16, 825170), (19, 694880), (20, 660136), (32, 412585), (38, 347440), (40, 330068), (43, 307040), (76, 173720), (80, 165034), (86, 153520), (95, 138976), (101, 130720), (152, 86860), (160, 82517), (172, 76760), (190, 69488), (202, 65360), (215, 61408), (304, 43430), (344, 38380), (380, 34744), (404, 32680), (430, 30704), (505, 26144), (608, 21715), (688, 19190), (760, 17372), (808, 16340), (817, 16160), (860, 15352), (1010, 13072), (1376, 9595), (1520, 8686), (1616, 8170), (1634, 8080), (1720, 7676), (1919, 6880), (2020, 6536), (3040, 4343), (3232, 4085), (3268, 4040), (3440, 3838)]