84890620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{32401}}^1$

素因数の和:32541

約数の個数: 24

約数和(自身を含む): 179636688

約数和(自身を除く): 94746068

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 32401, 64802, 129604, 162005, 324010, 648020, 4244531, 8489062, 16978124, 21222655, 42445310, 84890620]

約数ペア:

[(1, 84890620), (2, 42445310), (4, 21222655), (5, 16978124), (10, 8489062), (20, 4244531), (131, 648020), (262, 324010), (524, 162005), (655, 129604), (1310, 64802), (2620, 32401)]