2542340

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 5369112

約数和(自身を除く): 2826772

約数列:

[1, 2, 4, 5, 10, 20, 317, 401, 634, 802, 1268, 1585, 1604, 2005, 3170, 4010, 6340, 8020, 127117, 254234, 508468, 635585, 1271170, 2542340]

約数ペア:

[(1, 2542340), (2, 1271170), (4, 635585), (5, 508468), (10, 254234), (20, 127117), (317, 8020), (401, 6340), (634, 4010), (802, 3170), (1268, 2005), (1585, 1604)]