42190345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 55710720

約数和(自身を除く): 13520375

約数列:

[1, 5, 17, 61, 79, 85, 103, 305, 395, 515, 1037, 1343, 1751, 4819, 5185, 6283, 6715, 8137, 8755, 24095, 31415, 40685, 81923, 106811, 138329, 409615, 496357, 534055, 691645, 2481785, 8438069, 42190345]

約数ペア:

[(1, 42190345), (5, 8438069), (17, 2481785), (61, 691645), (79, 534055), (85, 496357), (103, 409615), (305, 138329), (395, 106811), (515, 81923), (1037, 40685), (1343, 31415), (1751, 24095), (4819, 8755), (5185, 8137), (6283, 6715)]