201302120

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{7283}}^1$

素因数の和:7985

約数の個数: 32

約数和(自身を含む): 453647520

約数和(自身を除く): 252345400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 7283, 13820, 14566, 27640, 29132, 36415, 58264, 72830, 145660, 291320, 5032553, 10065106, 20130212, 25162765, 40260424, 50325530, 100651060, 201302120]

約数ペア:

[(1, 201302120), (2, 100651060), (4, 50325530), (5, 40260424), (8, 25162765), (10, 20130212), (20, 10065106), (40, 5032553), (691, 291320), (1382, 145660), (2764, 72830), (3455, 58264), (5528, 36415), (6910, 29132), (7283, 27640), (13820, 14566)]