13420246520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1\times {\mathrm{3571}}^1$

素因数の和:5628

約数の個数: 64

約数和(自身を含む): 30862080000

約数和(自身を除く): 17441833480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1999, 3571, 3998, 7142, 7996, 9995, 14284, 15992, 17855, 19990, 28568, 35710, 39980, 71420, 79960, 93953, 142840, 167837, 187906, 335674, 375812, 469765, 671348, 751624, 839185, 939530, 1342696, 1678370, 1879060, 3356740, 3758120, 6713480, 7138429, 14276858, 28553716, 35692145, 57107432, 71384290, 142768580, 285537160, 335506163, 671012326, 1342024652, 1677530815, 2684049304, 3355061630, 6710123260, 13420246520]

約数ペア:

[(1, 13420246520), (2, 6710123260), (4, 3355061630), (5, 2684049304), (8, 1677530815), (10, 1342024652), (20, 671012326), (40, 335506163), (47, 285537160), (94, 142768580), (188, 71384290), (235, 57107432), (376, 35692145), (470, 28553716), (940, 14276858), (1880, 7138429), (1999, 6713480), (3571, 3758120), (3998, 3356740), (7142, 1879060), (7996, 1678370), (9995, 1342696), (14284, 939530), (15992, 839185), (17855, 751624), (19990, 671348), (28568, 469765), (35710, 375812), (39980, 335674), (71420, 187906), (79960, 167837), (93953, 142840)]