25645630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 50429520

約数和(自身を除く): 24783890

約数列:

[1, 2, 5, 10, 19, 38, 43, 73, 86, 95, 146, 190, 215, 365, 430, 730, 817, 1387, 1634, 1849, 2774, 3139, 3698, 4085, 6278, 6935, 8170, 9245, 13870, 15695, 18490, 31390, 35131, 59641, 70262, 119282, 134977, 175655, 269954, 298205, 351310, 596410, 674885, 1349770, 2564563, 5129126, 12822815, 25645630]

約数ペア:

[(1, 25645630), (2, 12822815), (5, 5129126), (10, 2564563), (19, 1349770), (38, 674885), (43, 596410), (73, 351310), (86, 298205), (95, 269954), (146, 175655), (190, 134977), (215, 119282), (365, 70262), (430, 59641), (730, 35131), (817, 31390), (1387, 18490), (1634, 15695), (1849, 13870), (2774, 9245), (3139, 8170), (3698, 6935), (4085, 6278)]