80785964

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{7417}}^1$

素因数の和:7817

約数の個数: 24

約数和(自身を含む): 162009120

約数和(自身を除く): 81223156

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 7417, 10892, 14834, 29668, 51919, 103838, 207676, 2885213, 5770426, 11540852, 20196491, 40392982, 80785964]

約数ペア:

[(1, 80785964), (2, 40392982), (4, 20196491), (7, 11540852), (14, 5770426), (28, 2885213), (389, 207676), (778, 103838), (1556, 51919), (2723, 29668), (5446, 14834), (7417, 10892)]