51165880

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1543}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 115336800

約数和(自身を除く): 64170920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1543, 1658, 3086, 3316, 4145, 6172, 6632, 7715, 8290, 12344, 15430, 16580, 30860, 33160, 61720, 1279147, 2558294, 5116588, 6395735, 10233176, 12791470, 25582940, 51165880]

約数ペア:

[(1, 51165880), (2, 25582940), (4, 12791470), (5, 10233176), (8, 6395735), (10, 5116588), (20, 2558294), (40, 1279147), (829, 61720), (1543, 33160), (1658, 30860), (3086, 16580), (3316, 15430), (4145, 12344), (6172, 8290), (6632, 7715)]