1379968220

素因数分解:

$2^2\times 5^1\times {\mathrm{4663}}^1\times {\mathrm{14797}}^1$

素因数の和:19469

約数の個数: 24

約数和(自身を含む): 2898750624

約数和(自身を除く): 1518782404

約数列:

[1, 2, 4, 5, 10, 20, 4663, 9326, 14797, 18652, 23315, 29594, 46630, 59188, 73985, 93260, 147970, 295940, 68998411, 137996822, 275993644, 344992055, 689984110, 1379968220]

約数ペア:

[(1, 1379968220), (2, 689984110), (4, 344992055), (5, 275993644), (10, 137996822), (20, 68998411), (4663, 295940), (9326, 147970), (14797, 93260), (18652, 73985), (23315, 59188), (29594, 46630)]