10821560

素因数分解:

$2^3\times 5^1\times {\mathrm{270539}}^1$

素因数の和:270550

約数の個数: 16

約数和(自身を含む): 24348600

約数和(自身を除く): 13527040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 270539, 541078, 1082156, 1352695, 2164312, 2705390, 5410780, 10821560]

約数ペア:

[(1, 10821560), (2, 5410780), (4, 2705390), (5, 2164312), (8, 1352695), (10, 1082156), (20, 541078), (40, 270539)]