27894680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63397}}^1$

素因数の和:63419

約数の個数: 32

約数和(自身を含む): 68469840

約数和(自身を除く): 40575160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63397, 126794, 253588, 316985, 507176, 633970, 697367, 1267940, 1394734, 2535880, 2789468, 3486835, 5578936, 6973670, 13947340, 27894680]

約数ペア:

[(1, 27894680), (2, 13947340), (4, 6973670), (5, 5578936), (8, 3486835), (10, 2789468), (11, 2535880), (20, 1394734), (22, 1267940), (40, 697367), (44, 633970), (55, 507176), (88, 316985), (110, 253588), (220, 126794), (440, 63397)]