207620720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63299}}^1$

素因数の和:63353

約数の個数: 40

約数和(自身を含む): 494499600

約数和(自身を除く): 286878880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 63299, 126598, 253196, 316495, 506392, 632990, 1012784, 1265980, 2531960, 2595259, 5063920, 5190518, 10381036, 12976295, 20762072, 25952590, 41524144, 51905180, 103810360, 207620720]

約数ペア:

[(1, 207620720), (2, 103810360), (4, 51905180), (5, 41524144), (8, 25952590), (10, 20762072), (16, 12976295), (20, 10381036), (40, 5190518), (41, 5063920), (80, 2595259), (82, 2531960), (164, 1265980), (205, 1012784), (328, 632990), (410, 506392), (656, 316495), (820, 253196), (1640, 126598), (3280, 63299)]