77833160

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1409}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 175375800

約数和(自身を除く): 97542640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 1409, 2762, 2818, 5524, 5636, 6905, 7045, 11048, 11272, 13810, 14090, 27620, 28180, 55240, 56360, 1945829, 3891658, 7783316, 9729145, 15566632, 19458290, 38916580, 77833160]

約数ペア:

[(1, 77833160), (2, 38916580), (4, 19458290), (5, 15566632), (8, 9729145), (10, 7783316), (20, 3891658), (40, 1945829), (1381, 56360), (1409, 55240), (2762, 28180), (2818, 27620), (5524, 14090), (5636, 13810), (6905, 11272), (7045, 11048)]