1339340

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 2836512

約数和(自身を除く): 1497172

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 401, 668, 802, 835, 1604, 1670, 2005, 3340, 4010, 8020, 66967, 133934, 267868, 334835, 669670, 1339340]

約数ペア:

[(1, 1339340), (2, 669670), (4, 334835), (5, 267868), (10, 133934), (20, 66967), (167, 8020), (334, 4010), (401, 3340), (668, 2005), (802, 1670), (835, 1604)]