79867280

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1231}}^1$

素因数の和:2055

約数の個数: 40

約数和(自身を含む): 186071424

約数和(自身を除く): 106204144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1231, 1622, 2462, 3244, 4055, 4924, 6155, 6488, 8110, 9848, 12310, 12976, 16220, 19696, 24620, 32440, 49240, 64880, 98480, 998341, 1996682, 3993364, 4991705, 7986728, 9983410, 15973456, 19966820, 39933640, 79867280]

約数ペア:

[(1, 79867280), (2, 39933640), (4, 19966820), (5, 15973456), (8, 9983410), (10, 7986728), (16, 4991705), (20, 3993364), (40, 1996682), (80, 998341), (811, 98480), (1231, 64880), (1622, 49240), (2462, 32440), (3244, 24620), (4055, 19696), (4924, 16220), (6155, 12976), (6488, 12310), (8110, 9848)]