51214720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1923

約数の個数: 64

約数和(自身を含む): 125349840

約数和(自身を除く): 74135120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 1861, 2752, 3440, 3722, 5504, 6880, 7444, 9305, 13760, 14888, 18610, 27520, 29776, 37220, 59552, 74440, 80023, 119104, 148880, 160046, 238208, 297760, 320092, 400115, 595520, 640184, 800230, 1191040, 1280368, 1600460, 2560736, 3200920, 5121472, 6401840, 10242944, 12803680, 25607360, 51214720]

約数ペア:

[(1, 51214720), (2, 25607360), (4, 12803680), (5, 10242944), (8, 6401840), (10, 5121472), (16, 3200920), (20, 2560736), (32, 1600460), (40, 1280368), (43, 1191040), (64, 800230), (80, 640184), (86, 595520), (128, 400115), (160, 320092), (172, 297760), (215, 238208), (320, 160046), (344, 148880), (430, 119104), (640, 80023), (688, 74440), (860, 59552), (1376, 37220), (1720, 29776), (1861, 27520), (2752, 18610), (3440, 14888), (3722, 13760), (5504, 9305), (6880, 7444)]