66284180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46679}}^1$

素因数の和:46759

約数の個数: 24

約数和(自身を含む): 141160320

約数和(自身を除く): 74876140

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46679, 93358, 186716, 233395, 466790, 933580, 3314209, 6628418, 13256836, 16571045, 33142090, 66284180]

約数ペア:

[(1, 66284180), (2, 33142090), (4, 16571045), (5, 13256836), (10, 6628418), (20, 3314209), (71, 933580), (142, 466790), (284, 233395), (355, 186716), (710, 93358), (1420, 46679)]