2642175940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{950423}}^1$

素因数の和:950571

約数の個数: 24

約数和(自身を含む): 5588493120

約数和(自身を除く): 2946317180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 950423, 1900846, 3801692, 4752115, 9504230, 19008460, 132108797, 264217594, 528435188, 660543985, 1321087970, 2642175940]

約数ペア:

[(1, 2642175940), (2, 1321087970), (4, 660543985), (5, 528435188), (10, 264217594), (20, 132108797), (139, 19008460), (278, 9504230), (556, 4752115), (695, 3801692), (1390, 1900846), (2780, 950423)]