66875480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238841}}^1$

素因数の和:238859

約数の個数: 32

約数和(自身を含む): 171966240

約数和(自身を除く): 105090760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238841, 477682, 955364, 1194205, 1671887, 1910728, 2388410, 3343774, 4776820, 6687548, 8359435, 9553640, 13375096, 16718870, 33437740, 66875480]

約数ペア:

[(1, 66875480), (2, 33437740), (4, 16718870), (5, 13375096), (7, 9553640), (8, 8359435), (10, 6687548), (14, 4776820), (20, 3343774), (28, 2388410), (35, 1910728), (40, 1671887), (56, 1194205), (70, 955364), (140, 477682), (280, 238841)]