7851880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2689}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 17915400

約数和(自身を除く): 10063520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2689, 2920, 5378, 10756, 13445, 21512, 26890, 53780, 107560, 196297, 392594, 785188, 981485, 1570376, 1962970, 3925940, 7851880]

約数ペア:

[(1, 7851880), (2, 3925940), (4, 1962970), (5, 1570376), (8, 981485), (10, 785188), (20, 392594), (40, 196297), (73, 107560), (146, 53780), (292, 26890), (365, 21512), (584, 13445), (730, 10756), (1460, 5378), (2689, 2920)]