80392732

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 170644320

約数和(自身を除く): 90251588

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 71, 98, 106, 109, 142, 196, 212, 218, 284, 371, 436, 497, 742, 763, 994, 1484, 1526, 1988, 2597, 3052, 3479, 3763, 5194, 5341, 5777, 6958, 7526, 7739, 10388, 10682, 11554, 13916, 15052, 15478, 21364, 23108, 26341, 30956, 40439, 52682, 54173, 80878, 105364, 108346, 161756, 184387, 216692, 283073, 368774, 379211, 410167, 566146, 737548, 758422, 820334, 1132292, 1516844, 1640668, 2871169, 5742338, 11484676, 20098183, 40196366, 80392732]

約数ペア:

[(1, 80392732), (2, 40196366), (4, 20098183), (7, 11484676), (14, 5742338), (28, 2871169), (49, 1640668), (53, 1516844), (71, 1132292), (98, 820334), (106, 758422), (109, 737548), (142, 566146), (196, 410167), (212, 379211), (218, 368774), (284, 283073), (371, 216692), (436, 184387), (497, 161756), (742, 108346), (763, 105364), (994, 80878), (1484, 54173), (1526, 52682), (1988, 40439), (2597, 30956), (3052, 26341), (3479, 23108), (3763, 21364), (5194, 15478), (5341, 15052), (5777, 13916), (6958, 11554), (7526, 10682), (7739, 10388)]