201949520

素因数分解:

$2^4\times 5^1\times {\mathrm{2524369}}^1$

素因数の和:2524382

約数の個数: 20

約数和(自身を含む): 469532820

約数和(自身を除く): 267583300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524369, 5048738, 10097476, 12621845, 20194952, 25243690, 40389904, 50487380, 100974760, 201949520]

約数ペア:

[(1, 201949520), (2, 100974760), (4, 50487380), (5, 40389904), (8, 25243690), (10, 20194952), (16, 12621845), (20, 10097476), (40, 5048738), (80, 2524369)]