31407520

素因数分解:

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

素因数の和:2777

約数の個数: 48

約数和(自身を含む): 75244680

約数和(自身を除く): 43837160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2689, 2920, 5378, 5840, 10756, 11680, 13445, 21512, 26890, 43024, 53780, 86048, 107560, 196297, 215120, 392594, 430240, 785188, 981485, 1570376, 1962970, 3140752, 3925940, 6281504, 7851880, 15703760, 31407520]

約数ペア:

[(1, 31407520), (2, 15703760), (4, 7851880), (5, 6281504), (8, 3925940), (10, 3140752), (16, 1962970), (20, 1570376), (32, 981485), (40, 785188), (73, 430240), (80, 392594), (146, 215120), (160, 196297), (292, 107560), (365, 86048), (584, 53780), (730, 43024), (1168, 26890), (1460, 21512), (2336, 13445), (2689, 11680), (2920, 10756), (5378, 5840)]