80228225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 125991936

約数和(自身を除く): 45763711

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 175, 275, 355, 385, 497, 587, 781, 1775, 1925, 2485, 2935, 3905, 4109, 5467, 6457, 12425, 14675, 19525, 20545, 27335, 32285, 41677, 45199, 102725, 136675, 161425, 208385, 225995, 291739, 458447, 1041925, 1129975, 1458695, 2292235, 3209129, 7293475, 11461175, 16045645, 80228225]

約数ペア:

[(1, 80228225), (5, 16045645), (7, 11461175), (11, 7293475), (25, 3209129), (35, 2292235), (55, 1458695), (71, 1129975), (77, 1041925), (175, 458447), (275, 291739), (355, 225995), (385, 208385), (497, 161425), (587, 136675), (781, 102725), (1775, 45199), (1925, 41677), (2485, 32285), (2935, 27335), (3905, 20545), (4109, 19525), (5467, 14675), (6457, 12425)]