68182280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12263}}^1$

素因数の和:12413

約数の個数: 32

約数和(自身を含む): 154526400

約数和(自身を除く): 86344120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12263, 24526, 49052, 61315, 98104, 122630, 245260, 490520, 1704557, 3409114, 6818228, 8522785, 13636456, 17045570, 34091140, 68182280]

約数ペア:

[(1, 68182280), (2, 34091140), (4, 17045570), (5, 13636456), (8, 8522785), (10, 6818228), (20, 3409114), (40, 1704557), (139, 490520), (278, 245260), (556, 122630), (695, 98104), (1112, 61315), (1390, 49052), (2780, 24526), (5560, 12263)]