4788020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4517}}^1$

素因数の和:4579

約数の個数: 24

約数和(自身を含む): 10246824

約数和(自身を除く): 5458804

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 4517, 9034, 18068, 22585, 45170, 90340, 239401, 478802, 957604, 1197005, 2394010, 4788020]

約数ペア:

[(1, 4788020), (2, 2394010), (4, 1197005), (5, 957604), (10, 478802), (20, 239401), (53, 90340), (106, 45170), (212, 22585), (265, 18068), (530, 9034), (1060, 4517)]