65864680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235231}}^1$

素因数の和:235249

約数の個数: 32

約数和(自身を含む): 169367040

約数和(自身を除く): 103502360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235231, 470462, 940924, 1176155, 1646617, 1881848, 2352310, 3293234, 4704620, 6586468, 8233085, 9409240, 13172936, 16466170, 32932340, 65864680]

約数ペア:

[(1, 65864680), (2, 32932340), (4, 16466170), (5, 13172936), (7, 9409240), (8, 8233085), (10, 6586468), (14, 4704620), (20, 3293234), (28, 2352310), (35, 1881848), (40, 1646617), (56, 1176155), (70, 940924), (140, 470462), (280, 235231)]