845922020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{322871}}^1$

素因数の和:323011

約数の個数: 24

約数和(自身を含む): 1790002368

約数和(自身を除く): 944080348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 322871, 645742, 1291484, 1614355, 3228710, 6457420, 42296101, 84592202, 169184404, 211480505, 422961010, 845922020]

約数ペア:

[(1, 845922020), (2, 422961010), (4, 211480505), (5, 169184404), (10, 84592202), (20, 42296101), (131, 6457420), (262, 3228710), (524, 1614355), (655, 1291484), (1310, 645742), (2620, 322871)]