8013880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28621}}^1$

素因数の和:28639

約数の個数: 32

約数和(自身を含む): 20607840

約数和(自身を除く): 12593960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28621, 57242, 114484, 143105, 200347, 228968, 286210, 400694, 572420, 801388, 1001735, 1144840, 1602776, 2003470, 4006940, 8013880]

約数ペア:

[(1, 8013880), (2, 4006940), (4, 2003470), (5, 1602776), (7, 1144840), (8, 1001735), (10, 801388), (14, 572420), (20, 400694), (28, 286210), (35, 228968), (40, 200347), (56, 143105), (70, 114484), (140, 57242), (280, 28621)]