20180256440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26552969}}^1$

素因数の和:26552999

約数の個数: 32

約数和(自身を含む): 47795346000

約数和(自身を除く): 27615089560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26552969, 53105938, 106211876, 132764845, 212423752, 265529690, 504506411, 531059380, 1009012822, 1062118760, 2018025644, 2522532055, 4036051288, 5045064110, 10090128220, 20180256440]

約数ペア:

[(1, 20180256440), (2, 10090128220), (4, 5045064110), (5, 4036051288), (8, 2522532055), (10, 2018025644), (19, 1062118760), (20, 1009012822), (38, 531059380), (40, 504506411), (76, 265529690), (95, 212423752), (152, 132764845), (190, 106211876), (380, 53105938), (760, 26552969)]