61749080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25307}}^1$

素因数の和:25379

約数の個数: 32

約数和(自身を含む): 141218640

約数和(自身を除く): 79469560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 25307, 50614, 101228, 126535, 202456, 253070, 506140, 1012280, 1543727, 3087454, 6174908, 7718635, 12349816, 15437270, 30874540, 61749080]

約数ペア:

[(1, 61749080), (2, 30874540), (4, 15437270), (5, 12349816), (8, 7718635), (10, 6174908), (20, 3087454), (40, 1543727), (61, 1012280), (122, 506140), (244, 253070), (305, 202456), (488, 126535), (610, 101228), (1220, 50614), (2440, 25307)]