18017440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16087}}^1$

素因数の和:16109

約数の個数: 48

約数和(自身を含む): 48650112

約数和(自身を除く): 30632672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16087, 32174, 64348, 80435, 112609, 128696, 160870, 225218, 257392, 321740, 450436, 514784, 563045, 643480, 900872, 1126090, 1286960, 1801744, 2252180, 2573920, 3603488, 4504360, 9008720, 18017440]

約数ペア:

[(1, 18017440), (2, 9008720), (4, 4504360), (5, 3603488), (7, 2573920), (8, 2252180), (10, 1801744), (14, 1286960), (16, 1126090), (20, 900872), (28, 643480), (32, 563045), (35, 514784), (40, 450436), (56, 321740), (70, 257392), (80, 225218), (112, 160870), (140, 128696), (160, 112609), (224, 80435), (280, 64348), (560, 32174), (1120, 16087)]