13118480

素因数分解:

$2^4\times 5^1\times {\mathrm{163981}}^1$

素因数の和:163994

約数の個数: 20

約数和(自身を含む): 30500652

約数和(自身を除く): 17382172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163981, 327962, 655924, 819905, 1311848, 1639810, 2623696, 3279620, 6559240, 13118480]

約数ペア:

[(1, 13118480), (2, 6559240), (4, 3279620), (5, 2623696), (8, 1639810), (10, 1311848), (16, 819905), (20, 655924), (40, 327962), (80, 163981)]