80661952

素因数分解:

$2^6\times 7^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:869

約数の個数: 56

約数和(自身を含む): 183794400

約数和(自身を除く): 103132448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 401, 448, 449, 802, 898, 1604, 1796, 2807, 3143, 3208, 3592, 5614, 6286, 6416, 7184, 11228, 12572, 12832, 14368, 22456, 25144, 25664, 28736, 44912, 50288, 89824, 100576, 179648, 180049, 201152, 360098, 720196, 1260343, 1440392, 2520686, 2880784, 5041372, 5761568, 10082744, 11523136, 20165488, 40330976, 80661952]

約数ペア:

[(1, 80661952), (2, 40330976), (4, 20165488), (7, 11523136), (8, 10082744), (14, 5761568), (16, 5041372), (28, 2880784), (32, 2520686), (56, 1440392), (64, 1260343), (112, 720196), (224, 360098), (401, 201152), (448, 180049), (449, 179648), (802, 100576), (898, 89824), (1604, 50288), (1796, 44912), (2807, 28736), (3143, 25664), (3208, 25144), (3592, 22456), (5614, 14368), (6286, 12832), (6416, 12572), (7184, 11228)]