80079280

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2389}}^1$

素因数の和:2821

約数の個数: 40

約数和(自身を含む): 186706800

約数和(自身を除く): 106627520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 2389, 3352, 4190, 4778, 6704, 8380, 9556, 11945, 16760, 19112, 23890, 33520, 38224, 47780, 95560, 191120, 1000991, 2001982, 4003964, 5004955, 8007928, 10009910, 16015856, 20019820, 40039640, 80079280]

約数ペア:

[(1, 80079280), (2, 40039640), (4, 20019820), (5, 16015856), (8, 10009910), (10, 8007928), (16, 5004955), (20, 4003964), (40, 2001982), (80, 1000991), (419, 191120), (838, 95560), (1676, 47780), (2095, 38224), (2389, 33520), (3352, 23890), (4190, 19112), (4778, 16760), (6704, 11945), (8380, 9556)]