89661020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 194328288

約数和(自身を除く): 104667268

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 548, 685, 761, 860, 1370, 1522, 2740, 3044, 3805, 5891, 7610, 11782, 15220, 23564, 29455, 32723, 58910, 65446, 104257, 117820, 130892, 163615, 208514, 327230, 417028, 521285, 654460, 1042570, 2085140, 4483051, 8966102, 17932204, 22415255, 44830510, 89661020]

約数ペア:

[(1, 89661020), (2, 44830510), (4, 22415255), (5, 17932204), (10, 8966102), (20, 4483051), (43, 2085140), (86, 1042570), (137, 654460), (172, 521285), (215, 417028), (274, 327230), (430, 208514), (548, 163615), (685, 130892), (761, 117820), (860, 104257), (1370, 65446), (1522, 58910), (2740, 32723), (3044, 29455), (3805, 23564), (5891, 15220), (7610, 11782)]