1808117680

素因数分解:

$2^4\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{19301}}^1$

素因数の和:20485

約数の個数: 40

約数和(自身を含む): 4207681584

約数和(自身を除く): 2399563904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1171, 2342, 4684, 5855, 9368, 11710, 18736, 19301, 23420, 38602, 46840, 77204, 93680, 96505, 154408, 193010, 308816, 386020, 772040, 1544080, 22601471, 45202942, 90405884, 113007355, 180811768, 226014710, 361623536, 452029420, 904058840, 1808117680]

約数ペア:

[(1, 1808117680), (2, 904058840), (4, 452029420), (5, 361623536), (8, 226014710), (10, 180811768), (16, 113007355), (20, 90405884), (40, 45202942), (80, 22601471), (1171, 1544080), (2342, 772040), (4684, 386020), (5855, 308816), (9368, 193010), (11710, 154408), (18736, 96505), (19301, 93680), (23420, 77204), (38602, 46840)]