6391940

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{797}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 13473432

約数和(自身を除く): 7081492

約数列:

[1, 2, 4, 5, 10, 20, 401, 797, 802, 1594, 1604, 2005, 3188, 3985, 4010, 7970, 8020, 15940, 319597, 639194, 1278388, 1597985, 3195970, 6391940]

約数ペア:

[(1, 6391940), (2, 3195970), (4, 1597985), (5, 1278388), (10, 639194), (20, 319597), (401, 15940), (797, 8020), (802, 7970), (1594, 4010), (1604, 3985), (2005, 3188)]