202900520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{32309}}^1$

素因数の和:32477

約数の個数: 32

約数和(自身を含む): 459448200

約数和(自身を除く): 256547680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 32309, 64618, 129236, 161545, 258472, 323090, 646180, 1292360, 5072513, 10145026, 20290052, 25362565, 40580104, 50725130, 101450260, 202900520]

約数ペア:

[(1, 202900520), (2, 101450260), (4, 50725130), (5, 40580104), (8, 25362565), (10, 20290052), (20, 10145026), (40, 5072513), (157, 1292360), (314, 646180), (628, 323090), (785, 258472), (1256, 161545), (1570, 129236), (3140, 64618), (6280, 32309)]