80639545

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 115784100

約数和(自身を除く): 35144555

約数列:

[1, 5, 7, 35, 47, 49, 149, 235, 245, 329, 745, 1043, 1645, 2209, 2303, 5215, 7003, 7301, 11045, 11515, 15463, 35015, 36505, 49021, 77315, 108241, 245105, 329141, 343147, 541205, 1645705, 1715735, 2303987, 11519935, 16127909, 80639545]

約数ペア:

[(1, 80639545), (5, 16127909), (7, 11519935), (35, 2303987), (47, 1715735), (49, 1645705), (149, 541205), (235, 343147), (245, 329141), (329, 245105), (745, 108241), (1043, 77315), (1645, 49021), (2209, 36505), (2303, 35015), (5215, 15463), (7003, 11515), (7301, 11045)]