908020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 1933344

約数和(自身を除く): 1025324

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 547, 830, 1094, 1660, 2188, 2735, 5470, 10940, 45401, 90802, 181604, 227005, 454010, 908020]

約数ペア:

[(1, 908020), (2, 454010), (4, 227005), (5, 181604), (10, 90802), (20, 45401), (83, 10940), (166, 5470), (332, 2735), (415, 2188), (547, 1660), (830, 1094)]