30548920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17761}}^1$

素因数の和:17815

約数の個数: 32

約数和(自身を含む): 70337520

約数和(自身を除く): 39788600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17761, 35522, 71044, 88805, 142088, 177610, 355220, 710440, 763723, 1527446, 3054892, 3818615, 6109784, 7637230, 15274460, 30548920]

約数ペア:

[(1, 30548920), (2, 15274460), (4, 7637230), (5, 6109784), (8, 3818615), (10, 3054892), (20, 1527446), (40, 763723), (43, 710440), (86, 355220), (172, 177610), (215, 142088), (344, 88805), (430, 71044), (860, 35522), (1720, 17761)]