26426240

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 63819360

約数和(自身を除く): 37393120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 263, 314, 320, 526, 628, 640, 785, 1052, 1256, 1315, 1570, 2104, 2512, 2630, 3140, 4208, 5024, 5260, 6280, 8416, 10048, 10520, 12560, 16832, 20096, 21040, 25120, 33664, 41291, 42080, 50240, 82582, 84160, 100480, 165164, 168320, 206455, 330328, 412910, 660656, 825820, 1321312, 1651640, 2642624, 3303280, 5285248, 6606560, 13213120, 26426240]

約数ペア:

[(1, 26426240), (2, 13213120), (4, 6606560), (5, 5285248), (8, 3303280), (10, 2642624), (16, 1651640), (20, 1321312), (32, 825820), (40, 660656), (64, 412910), (80, 330328), (128, 206455), (157, 168320), (160, 165164), (263, 100480), (314, 84160), (320, 82582), (526, 50240), (628, 42080), (640, 41291), (785, 33664), (1052, 25120), (1256, 21040), (1315, 20096), (1570, 16832), (2104, 12560), (2512, 10520), (2630, 10048), (3140, 8416), (4208, 6280), (5024, 5260)]