12952720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 20795120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 359, 410, 440, 451, 656, 718, 820, 880, 902, 1436, 1640, 1795, 1804, 2255, 2872, 3280, 3590, 3608, 3949, 4510, 5744, 7180, 7216, 7898, 9020, 14360, 14719, 15796, 18040, 19745, 28720, 29438, 31592, 36080, 39490, 58876, 63184, 73595, 78980, 117752, 147190, 157960, 161909, 235504, 294380, 315920, 323818, 588760, 647636, 809545, 1177520, 1295272, 1619090, 2590544, 3238180, 6476360, 12952720]

約数ペア:

[(1, 12952720), (2, 6476360), (4, 3238180), (5, 2590544), (8, 1619090), (10, 1295272), (11, 1177520), (16, 809545), (20, 647636), (22, 588760), (40, 323818), (41, 315920), (44, 294380), (55, 235504), (80, 161909), (82, 157960), (88, 147190), (110, 117752), (164, 78980), (176, 73595), (205, 63184), (220, 58876), (328, 39490), (359, 36080), (410, 31592), (440, 29438), (451, 28720), (656, 19745), (718, 18040), (820, 15796), (880, 14719), (902, 14360), (1436, 9020), (1640, 7898), (1795, 7216), (1804, 7180), (2255, 5744), (2872, 4510), (3280, 3949), (3590, 3608)]