55863880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32479}}^1$

素因数の和:32533

約数の個数: 32

約数和(自身を含む): 128620800

約数和(自身を除く): 72756920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32479, 64958, 129916, 162395, 259832, 324790, 649580, 1299160, 1396597, 2793194, 5586388, 6982985, 11172776, 13965970, 27931940, 55863880]

約数ペア:

[(1, 55863880), (2, 27931940), (4, 13965970), (5, 11172776), (8, 6982985), (10, 5586388), (20, 2793194), (40, 1396597), (43, 1299160), (86, 649580), (172, 324790), (215, 259832), (344, 162395), (430, 129916), (860, 64958), (1720, 32479)]