66768980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 143302656

約数和(自身を除く): 76533676

約数列:

[1, 2, 4, 5, 10, 20, 97, 127, 194, 254, 271, 388, 485, 508, 542, 635, 970, 1084, 1270, 1355, 1940, 2540, 2710, 5420, 12319, 24638, 26287, 34417, 49276, 52574, 61595, 68834, 105148, 123190, 131435, 137668, 172085, 246380, 262870, 344170, 525740, 688340, 3338449, 6676898, 13353796, 16692245, 33384490, 66768980]

約数ペア:

[(1, 66768980), (2, 33384490), (4, 16692245), (5, 13353796), (10, 6676898), (20, 3338449), (97, 688340), (127, 525740), (194, 344170), (254, 262870), (271, 246380), (388, 172085), (485, 137668), (508, 131435), (542, 123190), (635, 105148), (970, 68834), (1084, 61595), (1270, 52574), (1355, 49276), (1940, 34417), (2540, 26287), (2710, 24638), (5420, 12319)]