12620800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 132

約数和(自身を含む): 34266780

約数和(自身を除く): 21645980

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 50, 58, 64, 68, 80, 85, 100, 116, 128, 136, 145, 160, 170, 200, 232, 256, 272, 290, 320, 340, 400, 425, 464, 493, 512, 544, 580, 640, 680, 725, 800, 850, 928, 986, 1024, 1088, 1160, 1280, 1360, 1450, 1600, 1700, 1856, 1972, 2176, 2320, 2465, 2560, 2720, 2900, 3200, 3400, 3712, 3944, 4352, 4640, 4930, 5120, 5440, 5800, 6400, 6800, 7424, 7888, 8704, 9280, 9860, 10880, 11600, 12325, 12800, 13600, 14848, 15776, 17408, 18560, 19720, 21760, 23200, 24650, 25600, 27200, 29696, 31552, 37120, 39440, 43520, 46400, 49300, 54400, 63104, 74240, 78880, 87040, 92800, 98600, 108800, 126208, 148480, 157760, 185600, 197200, 217600, 252416, 315520, 371200, 394400, 435200, 504832, 631040, 742400, 788800, 1262080, 1577600, 2524160, 3155200, 6310400, 12620800]

約数ペア:

[(1, 12620800), (2, 6310400), (4, 3155200), (5, 2524160), (8, 1577600), (10, 1262080), (16, 788800), (17, 742400), (20, 631040), (25, 504832), (29, 435200), (32, 394400), (34, 371200), (40, 315520), (50, 252416), (58, 217600), (64, 197200), (68, 185600), (80, 157760), (85, 148480), (100, 126208), (116, 108800), (128, 98600), (136, 92800), (145, 87040), (160, 78880), (170, 74240), (200, 63104), (232, 54400), (256, 49300), (272, 46400), (290, 43520), (320, 39440), (340, 37120), (400, 31552), (425, 29696), (464, 27200), (493, 25600), (512, 24650), (544, 23200), (580, 21760), (640, 19720), (680, 18560), (725, 17408), (800, 15776), (850, 14848), (928, 13600), (986, 12800), (1024, 12325), (1088, 11600), (1160, 10880), (1280, 9860), (1360, 9280), (1450, 8704), (1600, 7888), (1700, 7424), (1856, 6800), (1972, 6400), (2176, 5800), (2320, 5440), (2465, 5120), (2560, 4930), (2720, 4640), (2900, 4352), (3200, 3944), (3400, 3712)]