7243420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5101}}^1$

素因数の和:5181

約数の個数: 24

約数和(自身を含む): 15428448

約数和(自身を除く): 8185028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5101, 10202, 20404, 25505, 51010, 102020, 362171, 724342, 1448684, 1810855, 3621710, 7243420]

約数ペア:

[(1, 7243420), (2, 3621710), (4, 1810855), (5, 1448684), (10, 724342), (20, 362171), (71, 102020), (142, 51010), (284, 25505), (355, 20404), (710, 10202), (1420, 5101)]