42697240

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1297}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 96259680

約数和(自身を除く): 53562440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1297, 1646, 2594, 3292, 4115, 5188, 6485, 6584, 8230, 10376, 12970, 16460, 25940, 32920, 51880, 1067431, 2134862, 4269724, 5337155, 8539448, 10674310, 21348620, 42697240]

約数ペア:

[(1, 42697240), (2, 21348620), (4, 10674310), (5, 8539448), (8, 5337155), (10, 4269724), (20, 2134862), (40, 1067431), (823, 51880), (1297, 32920), (1646, 25940), (2594, 16460), (3292, 12970), (4115, 10376), (5188, 8230), (6485, 6584)]