39620020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2467}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 92046528

約数和(自身を除く): 52426508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 2467, 3212, 4015, 4934, 8030, 9868, 12335, 16060, 24670, 27137, 49340, 54274, 108548, 135685, 180091, 271370, 360182, 542740, 720364, 900455, 1800910, 1981001, 3601820, 3962002, 7924004, 9905005, 19810010, 39620020]

約数ペア:

[(1, 39620020), (2, 19810010), (4, 9905005), (5, 7924004), (10, 3962002), (11, 3601820), (20, 1981001), (22, 1800910), (44, 900455), (55, 720364), (73, 542740), (110, 360182), (146, 271370), (220, 180091), (292, 135685), (365, 108548), (730, 54274), (803, 49340), (1460, 27137), (1606, 24670), (2467, 16060), (3212, 12335), (4015, 9868), (4934, 8030)]