5211980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 10988880

約数和(自身を除く): 5776900

約数列:

[1, 2, 4, 5, 10, 20, 421, 619, 842, 1238, 1684, 2105, 2476, 3095, 4210, 6190, 8420, 12380, 260599, 521198, 1042396, 1302995, 2605990, 5211980]

約数ペア:

[(1, 5211980), (2, 2605990), (4, 1302995), (5, 1042396), (10, 521198), (20, 260599), (421, 12380), (619, 8420), (842, 6190), (1238, 4210), (1684, 3095), (2105, 2476)]