13808680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4729}}^1$

素因数の和:4813

約数の個数: 32

約数和(自身を含む): 31501800

約数和(自身を除く): 17693120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4729, 9458, 18916, 23645, 37832, 47290, 94580, 189160, 345217, 690434, 1380868, 1726085, 2761736, 3452170, 6904340, 13808680]

約数ペア:

[(1, 13808680), (2, 6904340), (4, 3452170), (5, 2761736), (8, 1726085), (10, 1380868), (20, 690434), (40, 345217), (73, 189160), (146, 94580), (292, 47290), (365, 37832), (584, 23645), (730, 18916), (1460, 9458), (2920, 4729)]