16667480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 40227840

約数和(自身を除く): 23560360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 193, 254, 340, 386, 508, 635, 680, 772, 965, 1016, 1270, 1544, 1930, 2159, 2540, 3281, 3860, 4318, 5080, 6562, 7720, 8636, 10795, 13124, 16405, 17272, 21590, 24511, 26248, 32810, 43180, 49022, 65620, 86360, 98044, 122555, 131240, 196088, 245110, 416687, 490220, 833374, 980440, 1666748, 2083435, 3333496, 4166870, 8333740, 16667480]

約数ペア:

[(1, 16667480), (2, 8333740), (4, 4166870), (5, 3333496), (8, 2083435), (10, 1666748), (17, 980440), (20, 833374), (34, 490220), (40, 416687), (68, 245110), (85, 196088), (127, 131240), (136, 122555), (170, 98044), (193, 86360), (254, 65620), (340, 49022), (386, 43180), (508, 32810), (635, 26248), (680, 24511), (772, 21590), (965, 17272), (1016, 16405), (1270, 13124), (1544, 10795), (1930, 8636), (2159, 7720), (2540, 6562), (3281, 5080), (3860, 4318)]