21976880

素因数分解:

$2^4\times 5^1\times {\mathrm{274711}}^1$

素因数の和:274724

約数の個数: 20

約数和(自身を含む): 51096432

約数和(自身を除く): 29119552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 274711, 549422, 1098844, 1373555, 2197688, 2747110, 4395376, 5494220, 10988440, 21976880]

約数ペア:

[(1, 21976880), (2, 10988440), (4, 5494220), (5, 4395376), (8, 2747110), (10, 2197688), (16, 1373555), (20, 1098844), (40, 549422), (80, 274711)]