11317720

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{541}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 25560720

約数和(自身を除く): 14243000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 541, 1046, 1082, 2092, 2164, 2615, 2705, 4184, 4328, 5230, 5410, 10460, 10820, 20920, 21640, 282943, 565886, 1131772, 1414715, 2263544, 2829430, 5658860, 11317720]

約数ペア:

[(1, 11317720), (2, 5658860), (4, 2829430), (5, 2263544), (8, 1414715), (10, 1131772), (20, 565886), (40, 282943), (523, 21640), (541, 20920), (1046, 10820), (1082, 10460), (2092, 5410), (2164, 5230), (2615, 4328), (2705, 4184)]