85674880

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 205999200

約数和(自身を除く): 120324320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 509, 526, 640, 1018, 1052, 1315, 2036, 2104, 2545, 2630, 4072, 4208, 5090, 5260, 8144, 8416, 10180, 10520, 16288, 16832, 20360, 21040, 32576, 33664, 40720, 42080, 65152, 81440, 84160, 133867, 162880, 168320, 267734, 325760, 535468, 669335, 1070936, 1338670, 2141872, 2677340, 4283744, 5354680, 8567488, 10709360, 17134976, 21418720, 42837440, 85674880]

約数ペア:

[(1, 85674880), (2, 42837440), (4, 21418720), (5, 17134976), (8, 10709360), (10, 8567488), (16, 5354680), (20, 4283744), (32, 2677340), (40, 2141872), (64, 1338670), (80, 1070936), (128, 669335), (160, 535468), (263, 325760), (320, 267734), (509, 168320), (526, 162880), (640, 133867), (1018, 84160), (1052, 81440), (1315, 65152), (2036, 42080), (2104, 40720), (2545, 33664), (2630, 32576), (4072, 21040), (4208, 20360), (5090, 16832), (5260, 16288), (8144, 10520), (8416, 10180)]