12529420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7039}}^1$

素因数の和:7137

約数の個数: 24

約数和(自身を含む): 26611200

約数和(自身を除く): 14081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7039, 14078, 28156, 35195, 70390, 140780, 626471, 1252942, 2505884, 3132355, 6264710, 12529420]

約数ペア:

[(1, 12529420), (2, 6264710), (4, 3132355), (5, 2505884), (10, 1252942), (20, 626471), (89, 140780), (178, 70390), (356, 35195), (445, 28156), (890, 14078), (1780, 7039)]