80251556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23687}}^1$

素因数の和:23720

約数の個数: 36

約数和(自身を含む): 176428224

約数和(自身を除く): 96176668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 23687, 47374, 94748, 165809, 260557, 331618, 521114, 663236, 1042228, 1823899, 2866127, 3647798, 5732254, 7295596, 11464508, 20062889, 40125778, 80251556]

約数ペア:

[(1, 80251556), (2, 40125778), (4, 20062889), (7, 11464508), (11, 7295596), (14, 5732254), (22, 3647798), (28, 2866127), (44, 1823899), (77, 1042228), (121, 663236), (154, 521114), (242, 331618), (308, 260557), (484, 165809), (847, 94748), (1694, 47374), (3388, 23687)]