13084520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4481}}^1$

素因数の和:4565

約数の個数: 32

約数和(自身を含む): 29850120

約数和(自身を除く): 16765600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4481, 8962, 17924, 22405, 35848, 44810, 89620, 179240, 327113, 654226, 1308452, 1635565, 2616904, 3271130, 6542260, 13084520]

約数ペア:

[(1, 13084520), (2, 6542260), (4, 3271130), (5, 2616904), (8, 1635565), (10, 1308452), (20, 654226), (40, 327113), (73, 179240), (146, 89620), (292, 44810), (365, 35848), (584, 22405), (730, 17924), (1460, 8962), (2920, 4481)]