26601820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 37748900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1367, 1390, 1946, 2734, 2780, 3892, 4865, 5468, 6835, 9569, 9730, 13670, 19138, 19460, 27340, 38276, 47845, 95690, 190013, 191380, 380026, 760052, 950065, 1330091, 1900130, 2660182, 3800260, 5320364, 6650455, 13300910, 26601820]

約数ペア:

[(1, 26601820), (2, 13300910), (4, 6650455), (5, 5320364), (7, 3800260), (10, 2660182), (14, 1900130), (20, 1330091), (28, 950065), (35, 760052), (70, 380026), (139, 191380), (140, 190013), (278, 95690), (556, 47845), (695, 38276), (973, 27340), (1367, 19460), (1390, 19138), (1946, 13670), (2734, 9730), (2780, 9569), (3892, 6835), (4865, 5468)]