25978510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1972

約数の個数: 32

約数和(自身を含む): 49923360

約数和(自身を除く): 23944850

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 1873, 2774, 3746, 6935, 9365, 13870, 18730, 35587, 71174, 136729, 177935, 273458, 355870, 683645, 1367290, 2597851, 5195702, 12989255, 25978510]

約数ペア:

[(1, 25978510), (2, 12989255), (5, 5195702), (10, 2597851), (19, 1367290), (38, 683645), (73, 355870), (95, 273458), (146, 177935), (190, 136729), (365, 71174), (730, 35587), (1387, 18730), (1873, 13870), (2774, 9365), (3746, 6935)]