2051215580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{31259}}^1$

素因数の和:31478

約数の個数: 48

約数和(自身を含む): 4584716640

約数和(自身を除く): 2533501060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1930, 3281, 3860, 6562, 13124, 16405, 31259, 32810, 62518, 65620, 125036, 156295, 312590, 531403, 625180, 1062806, 2125612, 2657015, 5314030, 6032987, 10628060, 12065974, 24131948, 30164935, 60329870, 102560779, 120659740, 205121558, 410243116, 512803895, 1025607790, 2051215580]

約数ペア:

[(1, 2051215580), (2, 1025607790), (4, 512803895), (5, 410243116), (10, 205121558), (17, 120659740), (20, 102560779), (34, 60329870), (68, 30164935), (85, 24131948), (170, 12065974), (193, 10628060), (340, 6032987), (386, 5314030), (772, 2657015), (965, 2125612), (1930, 1062806), (3281, 625180), (3860, 531403), (6562, 312590), (13124, 156295), (16405, 125036), (31259, 65620), (32810, 62518)]