20151235550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{15193}}^1$

素因数の和:15893

約数の個数: 48

約数和(自身を含む): 38457351072

約数和(自身を除く): 18306115522

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 647, 1025, 1294, 2050, 3235, 6470, 15193, 16175, 26527, 30386, 32350, 53054, 75965, 132635, 151930, 265270, 379825, 622913, 663175, 759650, 1245826, 1326350, 3114565, 6229130, 9829871, 15572825, 19659742, 31145650, 49149355, 98298710, 245746775, 403024711, 491493550, 806049422, 2015123555, 4030247110, 10075617775, 20151235550]

約数ペア:

[(1, 20151235550), (2, 10075617775), (5, 4030247110), (10, 2015123555), (25, 806049422), (41, 491493550), (50, 403024711), (82, 245746775), (205, 98298710), (410, 49149355), (647, 31145650), (1025, 19659742), (1294, 15572825), (2050, 9829871), (3235, 6229130), (6470, 3114565), (15193, 1326350), (16175, 1245826), (26527, 759650), (30386, 663175), (32350, 622913), (53054, 379825), (75965, 265270), (132635, 151930)]