40815640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 98055360

約数和(自身を除く): 57239720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 311, 340, 386, 622, 680, 772, 965, 1244, 1544, 1555, 1930, 2488, 3110, 3281, 3860, 5287, 6220, 6562, 7720, 10574, 12440, 13124, 16405, 21148, 26248, 26435, 32810, 42296, 52870, 60023, 65620, 105740, 120046, 131240, 211480, 240092, 300115, 480184, 600230, 1020391, 1200460, 2040782, 2400920, 4081564, 5101955, 8163128, 10203910, 20407820, 40815640]

約数ペア:

[(1, 40815640), (2, 20407820), (4, 10203910), (5, 8163128), (8, 5101955), (10, 4081564), (17, 2400920), (20, 2040782), (34, 1200460), (40, 1020391), (68, 600230), (85, 480184), (136, 300115), (170, 240092), (193, 211480), (311, 131240), (340, 120046), (386, 105740), (622, 65620), (680, 60023), (772, 52870), (965, 42296), (1244, 32810), (1544, 26435), (1555, 26248), (1930, 21148), (2488, 16405), (3110, 13124), (3281, 12440), (3860, 10574), (5287, 7720), (6220, 6562)]