64004590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2551}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 124762176

約数和(自身を除く): 60757586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 2551, 5018, 5102, 12545, 12755, 25090, 25510, 33163, 66326, 165815, 331630, 492343, 984686, 2461715, 4923430, 6400459, 12800918, 32002295, 64004590]

約数ペア:

[(1, 64004590), (2, 32002295), (5, 12800918), (10, 6400459), (13, 4923430), (26, 2461715), (65, 984686), (130, 492343), (193, 331630), (386, 165815), (965, 66326), (1930, 33163), (2509, 25510), (2551, 25090), (5018, 12755), (5102, 12545)]