80460784

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 159900480

約数和(自身を除く): 79439696

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 239, 397, 424, 478, 794, 848, 956, 1588, 1912, 3176, 3824, 6352, 12667, 21041, 25334, 42082, 50668, 84164, 94883, 101336, 168328, 189766, 202672, 336656, 379532, 759064, 1518128, 5028799, 10057598, 20115196, 40230392, 80460784]

約数ペア:

[(1, 80460784), (2, 40230392), (4, 20115196), (8, 10057598), (16, 5028799), (53, 1518128), (106, 759064), (212, 379532), (239, 336656), (397, 202672), (424, 189766), (478, 168328), (794, 101336), (848, 94883), (956, 84164), (1588, 50668), (1912, 42082), (3176, 25334), (3824, 21041), (6352, 12667)]