105721960

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3259}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 238240800

約数和(自身を除く): 132518840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 3259, 4055, 6488, 6518, 8110, 13036, 16220, 16295, 26072, 32440, 32590, 65180, 130360, 2643049, 5286098, 10572196, 13215245, 21144392, 26430490, 52860980, 105721960]

約数ペア:

[(1, 105721960), (2, 52860980), (4, 26430490), (5, 21144392), (8, 13215245), (10, 10572196), (20, 5286098), (40, 2643049), (811, 130360), (1622, 65180), (3244, 32590), (3259, 32440), (4055, 26072), (6488, 16295), (6518, 16220), (8110, 13036)]