80642992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265273}}^1$

素因数の和:265300

約数の個数: 20

約数和(自身を含む): 164469880

約数和(自身を除く): 83826888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265273, 530546, 1061092, 2122184, 4244368, 5040187, 10080374, 20160748, 40321496, 80642992]

約数ペア:

[(1, 80642992), (2, 40321496), (4, 20160748), (8, 10080374), (16, 5040187), (19, 4244368), (38, 2122184), (76, 1061092), (152, 530546), (304, 265273)]