8539040

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 20448288

約数和(自身を除く): 11909248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 643, 664, 830, 1286, 1328, 1660, 2572, 2656, 3215, 3320, 5144, 6430, 6640, 10288, 12860, 13280, 20576, 25720, 51440, 53369, 102880, 106738, 213476, 266845, 426952, 533690, 853904, 1067380, 1707808, 2134760, 4269520, 8539040]

約数ペア:

[(1, 8539040), (2, 4269520), (4, 2134760), (5, 1707808), (8, 1067380), (10, 853904), (16, 533690), (20, 426952), (32, 266845), (40, 213476), (80, 106738), (83, 102880), (160, 53369), (166, 51440), (332, 25720), (415, 20576), (643, 13280), (664, 12860), (830, 10288), (1286, 6640), (1328, 6430), (1660, 5144), (2572, 3320), (2656, 3215)]