25377380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 61501440

約数和(自身を除く): 36124060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 1663, 2180, 3052, 3326, 3815, 6652, 7630, 8315, 11641, 15260, 16630, 23282, 33260, 46564, 58205, 116410, 181267, 232820, 362534, 725068, 906335, 1268869, 1812670, 2537738, 3625340, 5075476, 6344345, 12688690, 25377380]

約数ペア:

[(1, 25377380), (2, 12688690), (4, 6344345), (5, 5075476), (7, 3625340), (10, 2537738), (14, 1812670), (20, 1268869), (28, 906335), (35, 725068), (70, 362534), (109, 232820), (140, 181267), (218, 116410), (436, 58205), (545, 46564), (763, 33260), (1090, 23282), (1526, 16630), (1663, 15260), (2180, 11641), (3052, 8315), (3326, 7630), (3815, 6652)]