2019076520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{321509}}^1$

素因数の和:321677

約数の個数: 32

約数和(自身を含む): 4571872200

約数和(自身を除く): 2552795680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 321509, 643018, 1286036, 1607545, 2572072, 3215090, 6430180, 12860360, 50476913, 100953826, 201907652, 252384565, 403815304, 504769130, 1009538260, 2019076520]

約数ペア:

[(1, 2019076520), (2, 1009538260), (4, 504769130), (5, 403815304), (8, 252384565), (10, 201907652), (20, 100953826), (40, 50476913), (157, 12860360), (314, 6430180), (628, 3215090), (785, 2572072), (1256, 1607545), (1570, 1286036), (3140, 643018), (6280, 321509)]