8563280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 22391424

約数和(自身を除く): 13828144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 263, 296, 370, 407, 440, 526, 592, 740, 814, 880, 1052, 1315, 1480, 1628, 2035, 2104, 2630, 2893, 2960, 3256, 4070, 4208, 5260, 5786, 6512, 8140, 9731, 10520, 11572, 14465, 16280, 19462, 21040, 23144, 28930, 32560, 38924, 46288, 48655, 57860, 77848, 97310, 107041, 115720, 155696, 194620, 214082, 231440, 389240, 428164, 535205, 778480, 856328, 1070410, 1712656, 2140820, 4281640, 8563280]

約数ペア:

[(1, 8563280), (2, 4281640), (4, 2140820), (5, 1712656), (8, 1070410), (10, 856328), (11, 778480), (16, 535205), (20, 428164), (22, 389240), (37, 231440), (40, 214082), (44, 194620), (55, 155696), (74, 115720), (80, 107041), (88, 97310), (110, 77848), (148, 57860), (176, 48655), (185, 46288), (220, 38924), (263, 32560), (296, 28930), (370, 23144), (407, 21040), (440, 19462), (526, 16280), (592, 14465), (740, 11572), (814, 10520), (880, 9731), (1052, 8140), (1315, 6512), (1480, 5786), (1628, 5260), (2035, 4208), (2104, 4070), (2630, 3256), (2893, 2960)]