1330385260

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{158003}}^1$

素因数の和:158433

約数の個数: 24

約数和(自身を含む): 2800462896

約数和(自身を除く): 1470077636

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 158003, 316006, 632012, 790015, 1580030, 3160060, 66519263, 133038526, 266077052, 332596315, 665192630, 1330385260]

約数ペア:

[(1, 1330385260), (2, 665192630), (4, 332596315), (5, 266077052), (10, 133038526), (20, 66519263), (421, 3160060), (842, 1580030), (1684, 790015), (2105, 632012), (4210, 316006), (8420, 158003)]