25466140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1801}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 61758144

約数和(自身を除く): 36292004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 1801, 2020, 2828, 3535, 3602, 7070, 7204, 9005, 12607, 14140, 18010, 25214, 36020, 50428, 63035, 126070, 181901, 252140, 363802, 727604, 909505, 1273307, 1819010, 2546614, 3638020, 5093228, 6366535, 12733070, 25466140]

約数ペア:

[(1, 25466140), (2, 12733070), (4, 6366535), (5, 5093228), (7, 3638020), (10, 2546614), (14, 1819010), (20, 1273307), (28, 909505), (35, 727604), (70, 363802), (101, 252140), (140, 181901), (202, 126070), (404, 63035), (505, 50428), (707, 36020), (1010, 25214), (1414, 18010), (1801, 14140), (2020, 12607), (2828, 9005), (3535, 7204), (3602, 7070)]