83816680

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7457}}^1$

素因数の和:7749

約数の個数: 32

約数和(自身を含む): 189284040

約数和(自身を除く): 105467360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 7457, 11240, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 2095417, 4190834, 8381668, 10477085, 16763336, 20954170, 41908340, 83816680]

約数ペア:

[(1, 83816680), (2, 41908340), (4, 20954170), (5, 16763336), (8, 10477085), (10, 8381668), (20, 4190834), (40, 2095417), (281, 298280), (562, 149140), (1124, 74570), (1405, 59656), (2248, 37285), (2810, 29828), (5620, 14914), (7457, 11240)]