27620840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53117}}^1$

素因数の和:53141

約数の個数: 32

約数和(自身を含む): 66928680

約数和(自身を除く): 39307840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53117, 106234, 212468, 265585, 424936, 531170, 690521, 1062340, 1381042, 2124680, 2762084, 3452605, 5524168, 6905210, 13810420, 27620840]

約数ペア:

[(1, 27620840), (2, 13810420), (4, 6905210), (5, 5524168), (8, 3452605), (10, 2762084), (13, 2124680), (20, 1381042), (26, 1062340), (40, 690521), (52, 531170), (65, 424936), (104, 265585), (130, 212468), (260, 106234), (520, 53117)]