7850720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 18733680

約数和(自身を除く): 10882960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 353, 556, 695, 706, 1112, 1390, 1412, 1765, 2224, 2780, 2824, 3530, 4448, 5560, 5648, 7060, 11120, 11296, 14120, 22240, 28240, 49067, 56480, 98134, 196268, 245335, 392536, 490670, 785072, 981340, 1570144, 1962680, 3925360, 7850720]

約数ペア:

[(1, 7850720), (2, 3925360), (4, 1962680), (5, 1570144), (8, 981340), (10, 785072), (16, 490670), (20, 392536), (32, 245335), (40, 196268), (80, 98134), (139, 56480), (160, 49067), (278, 28240), (353, 22240), (556, 14120), (695, 11296), (706, 11120), (1112, 7060), (1390, 5648), (1412, 5560), (1765, 4448), (2224, 3530), (2780, 2824)]