80806816

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 164898720

約数和(自身を除く): 84091904

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 139, 148, 278, 296, 491, 556, 592, 982, 1112, 1184, 1964, 2224, 3928, 4448, 5143, 7856, 10286, 15712, 18167, 20572, 36334, 41144, 68249, 72668, 82288, 136498, 145336, 164576, 272996, 290672, 545992, 581344, 1091984, 2183968, 2525213, 5050426, 10100852, 20201704, 40403408, 80806816]

約数ペア:

[(1, 80806816), (2, 40403408), (4, 20201704), (8, 10100852), (16, 5050426), (32, 2525213), (37, 2183968), (74, 1091984), (139, 581344), (148, 545992), (278, 290672), (296, 272996), (491, 164576), (556, 145336), (592, 136498), (982, 82288), (1112, 72668), (1184, 68249), (1964, 41144), (2224, 36334), (3928, 20572), (4448, 18167), (5143, 15712), (7856, 10286)]