27838240

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{677}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 66121272

約数和(自身を除く): 38283032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 677, 1028, 1285, 1354, 2056, 2570, 2708, 3385, 4112, 5140, 5416, 6770, 8224, 10280, 10832, 13540, 20560, 21664, 27080, 41120, 54160, 108320, 173989, 347978, 695956, 869945, 1391912, 1739890, 2783824, 3479780, 5567648, 6959560, 13919120, 27838240]

約数ペア:

[(1, 27838240), (2, 13919120), (4, 6959560), (5, 5567648), (8, 3479780), (10, 2783824), (16, 1739890), (20, 1391912), (32, 869945), (40, 695956), (80, 347978), (160, 173989), (257, 108320), (514, 54160), (677, 41120), (1028, 27080), (1285, 21664), (1354, 20560), (2056, 13540), (2570, 10832), (2708, 10280), (3385, 8224), (4112, 6770), (5140, 5416)]