194037520

素因数分解:

$2^4\times 5^1\times {\mathrm{2425469}}^1$

素因数の和:2425482

約数の個数: 20

約数和(自身を含む): 451137420

約数和(自身を除く): 257099900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2425469, 4850938, 9701876, 12127345, 19403752, 24254690, 38807504, 48509380, 97018760, 194037520]

約数ペア:

[(1, 194037520), (2, 97018760), (4, 48509380), (5, 38807504), (8, 24254690), (10, 19403752), (16, 12127345), (20, 9701876), (40, 4850938), (80, 2425469)]