1219204040

素因数分解:

$2^3\times 5^1\times {\mathrm{30480101}}^1$

素因数の和:30480112

約数の個数: 16

約数和(自身を含む): 2743209180

約数和(自身を除く): 1524005140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30480101, 60960202, 121920404, 152400505, 243840808, 304801010, 609602020, 1219204040]

約数ペア:

[(1, 1219204040), (2, 609602020), (4, 304801010), (5, 243840808), (8, 152400505), (10, 121920404), (20, 60960202), (40, 30480101)]