8161960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1907}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 18545760

約数和(自身を除く): 10383800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1907, 2140, 3814, 4280, 7628, 9535, 15256, 19070, 38140, 76280, 204049, 408098, 816196, 1020245, 1632392, 2040490, 4080980, 8161960]

約数ペア:

[(1, 8161960), (2, 4080980), (4, 2040490), (5, 1632392), (8, 1020245), (10, 816196), (20, 408098), (40, 204049), (107, 76280), (214, 38140), (428, 19070), (535, 15256), (856, 9535), (1070, 7628), (1907, 4280), (2140, 3814)]