79237420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 172984896

約数和(自身を除く): 93747476

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1361, 1420, 2722, 2911, 5444, 5822, 6805, 11644, 13610, 14555, 27220, 29110, 55801, 58220, 96631, 111602, 193262, 223204, 279005, 386524, 483155, 558010, 966310, 1116020, 1932620, 3961871, 7923742, 15847484, 19809355, 39618710, 79237420]

約数ペア:

[(1, 79237420), (2, 39618710), (4, 19809355), (5, 15847484), (10, 7923742), (20, 3961871), (41, 1932620), (71, 1116020), (82, 966310), (142, 558010), (164, 483155), (205, 386524), (284, 279005), (355, 223204), (410, 193262), (710, 111602), (820, 96631), (1361, 58220), (1420, 55801), (2722, 29110), (2911, 27220), (5444, 14555), (5822, 13610), (6805, 11644)]