54139960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193357}}^1$

素因数の和:193375

約数の個数: 32

約数和(自身を含む): 139217760

約数和(自身を除く): 85077800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 193357, 386714, 773428, 966785, 1353499, 1546856, 1933570, 2706998, 3867140, 5413996, 6767495, 7734280, 10827992, 13534990, 27069980, 54139960]

約数ペア:

[(1, 54139960), (2, 27069980), (4, 13534990), (5, 10827992), (7, 7734280), (8, 6767495), (10, 5413996), (14, 3867140), (20, 2706998), (28, 1933570), (35, 1546856), (40, 1353499), (56, 966785), (70, 773428), (140, 386714), (280, 193357)]