84199040

素因数分解:

$2^7\times 5^1\times {\mathrm{131561}}^1$

素因数の和:131580

約数の個数: 32

約数和(自身を含む): 201289860

約数和(自身を除く): 117090820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 131561, 263122, 526244, 657805, 1052488, 1315610, 2104976, 2631220, 4209952, 5262440, 8419904, 10524880, 16839808, 21049760, 42099520, 84199040]

約数ペア:

[(1, 84199040), (2, 42099520), (4, 21049760), (5, 16839808), (8, 10524880), (10, 8419904), (16, 5262440), (20, 4209952), (32, 2631220), (40, 2104976), (64, 1315610), (80, 1052488), (128, 657805), (160, 526244), (320, 263122), (640, 131561)]