16618996840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1\times {\mathrm{17903}}^1$

素因数の和:18946

約数の個数: 64

約数和(自身を含む): 39059366400

約数和(自身を除く): 22440369560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1009, 2018, 4036, 5045, 8072, 10090, 17903, 20180, 23207, 35806, 40360, 46414, 71612, 89515, 92828, 116035, 143224, 179030, 185656, 232070, 358060, 411769, 464140, 716120, 823538, 928280, 1647076, 2058845, 3294152, 4117690, 8235380, 16470760, 18064127, 36128254, 72256508, 90320635, 144513016, 180641270, 361282540, 415474921, 722565080, 830949842, 1661899684, 2077374605, 3323799368, 4154749210, 8309498420, 16618996840]

約数ペア:

[(1, 16618996840), (2, 8309498420), (4, 4154749210), (5, 3323799368), (8, 2077374605), (10, 1661899684), (20, 830949842), (23, 722565080), (40, 415474921), (46, 361282540), (92, 180641270), (115, 144513016), (184, 90320635), (230, 72256508), (460, 36128254), (920, 18064127), (1009, 16470760), (2018, 8235380), (4036, 4117690), (5045, 3294152), (8072, 2058845), (10090, 1647076), (17903, 928280), (20180, 823538), (23207, 716120), (35806, 464140), (40360, 411769), (46414, 358060), (71612, 232070), (89515, 185656), (92828, 179030), (116035, 143224)]