56142940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9781}}^1$

素因数の和:9838

約数の個数: 48

約数和(自身を含む): 138043584

約数和(自身を除く): 81900644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 9781, 19562, 39124, 48905, 68467, 97810, 136934, 195620, 273868, 342335, 401021, 684670, 802042, 1369340, 1604084, 2005105, 2807147, 4010210, 5614294, 8020420, 11228588, 14035735, 28071470, 56142940]

約数ペア:

[(1, 56142940), (2, 28071470), (4, 14035735), (5, 11228588), (7, 8020420), (10, 5614294), (14, 4010210), (20, 2807147), (28, 2005105), (35, 1604084), (41, 1369340), (70, 802042), (82, 684670), (140, 401021), (164, 342335), (205, 273868), (287, 195620), (410, 136934), (574, 97810), (820, 68467), (1148, 48905), (1435, 39124), (2870, 19562), (5740, 9781)]