80701460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576439}}^1$

素因数の和:576455

約数の個数: 24

約数和(自身を含む): 193683840

約数和(自身を除く): 112982380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576439, 1152878, 2305756, 2882195, 4035073, 5764390, 8070146, 11528780, 16140292, 20175365, 40350730, 80701460]

約数ペア:

[(1, 80701460), (2, 40350730), (4, 20175365), (5, 16140292), (7, 11528780), (10, 8070146), (14, 5764390), (20, 4035073), (28, 2882195), (35, 2305756), (70, 1152878), (140, 576439)]