66287860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 143829504

約数和(自身を除く): 77541644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 727, 940, 970, 1454, 1940, 2908, 3635, 4559, 7270, 9118, 14540, 18236, 22795, 34169, 45590, 68338, 70519, 91180, 136676, 141038, 170845, 282076, 341690, 352595, 683380, 705190, 1410380, 3314393, 6628786, 13257572, 16571965, 33143930, 66287860]

約数ペア:

[(1, 66287860), (2, 33143930), (4, 16571965), (5, 13257572), (10, 6628786), (20, 3314393), (47, 1410380), (94, 705190), (97, 683380), (188, 352595), (194, 341690), (235, 282076), (388, 170845), (470, 141038), (485, 136676), (727, 91180), (940, 70519), (970, 68338), (1454, 45590), (1940, 34169), (2908, 22795), (3635, 18236), (4559, 14540), (7270, 9118)]