77994820

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{2729}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 163963800

約数和(自身を除く): 85968980

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2729, 2858, 5458, 5716, 7145, 10916, 13645, 14290, 27290, 28580, 54580, 3899741, 7799482, 15598964, 19498705, 38997410, 77994820]

約数ペア:

[(1, 77994820), (2, 38997410), (4, 19498705), (5, 15598964), (10, 7799482), (20, 3899741), (1429, 54580), (2729, 28580), (2858, 27290), (5458, 14290), (5716, 13645), (7145, 10916)]