66385480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237091}}^1$

素因数の和:237109

約数の個数: 32

約数和(自身を含む): 170706240

約数和(自身を除く): 104320760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237091, 474182, 948364, 1185455, 1659637, 1896728, 2370910, 3319274, 4741820, 6638548, 8298185, 9483640, 13277096, 16596370, 33192740, 66385480]

約数ペア:

[(1, 66385480), (2, 33192740), (4, 16596370), (5, 13277096), (7, 9483640), (8, 8298185), (10, 6638548), (14, 4741820), (20, 3319274), (28, 2370910), (35, 1896728), (40, 1659637), (56, 1185455), (70, 948364), (140, 474182), (280, 237091)]