8748280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 21176640

約数和(自身を除く): 12428360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 257, 296, 370, 460, 514, 740, 851, 920, 1028, 1285, 1480, 1702, 2056, 2570, 3404, 4255, 5140, 5911, 6808, 8510, 9509, 10280, 11822, 17020, 19018, 23644, 29555, 34040, 38036, 47288, 47545, 59110, 76072, 95090, 118220, 190180, 218707, 236440, 380360, 437414, 874828, 1093535, 1749656, 2187070, 4374140, 8748280]

約数ペア:

[(1, 8748280), (2, 4374140), (4, 2187070), (5, 1749656), (8, 1093535), (10, 874828), (20, 437414), (23, 380360), (37, 236440), (40, 218707), (46, 190180), (74, 118220), (92, 95090), (115, 76072), (148, 59110), (184, 47545), (185, 47288), (230, 38036), (257, 34040), (296, 29555), (370, 23644), (460, 19018), (514, 17020), (740, 11822), (851, 10280), (920, 9509), (1028, 8510), (1285, 6808), (1480, 5911), (1702, 5140), (2056, 4255), (2570, 3404)]