40278328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1373}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 79966800

約数和(自身を除く): 39688472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 772, 1373, 1544, 2746, 3667, 5492, 7334, 10984, 14668, 26087, 29336, 52174, 104348, 208696, 264989, 529978, 1059956, 2119912, 5034791, 10069582, 20139164, 40278328]

約数ペア:

[(1, 40278328), (2, 20139164), (4, 10069582), (8, 5034791), (19, 2119912), (38, 1059956), (76, 529978), (152, 264989), (193, 208696), (386, 104348), (772, 52174), (1373, 29336), (1544, 26087), (2746, 14668), (3667, 10984), (5492, 7334)]