27880840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53617}}^1$

素因数の和:53641

約数の個数: 32

約数和(自身を含む): 67558680

約数和(自身を除く): 39677840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53617, 107234, 214468, 268085, 428936, 536170, 697021, 1072340, 1394042, 2144680, 2788084, 3485105, 5576168, 6970210, 13940420, 27880840]

約数ペア:

[(1, 27880840), (2, 13940420), (4, 6970210), (5, 5576168), (8, 3485105), (10, 2788084), (13, 2144680), (20, 1394042), (26, 1072340), (40, 697021), (52, 536170), (65, 428936), (104, 268085), (130, 214468), (260, 107234), (520, 53617)]