2579860120

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{203459}}^1$

素因数の和:203787

約数の個数: 32

約数和(自身を含む): 5823025200

約数和(自身を除く): 3243165080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 203459, 406918, 813836, 1017295, 1627672, 2034590, 4069180, 8138360, 64496503, 128993006, 257986012, 322482515, 515972024, 644965030, 1289930060, 2579860120]

約数ペア:

[(1, 2579860120), (2, 1289930060), (4, 644965030), (5, 515972024), (8, 322482515), (10, 257986012), (20, 128993006), (40, 64496503), (317, 8138360), (634, 4069180), (1268, 2034590), (1585, 1627672), (2536, 1017295), (3170, 813836), (6340, 406918), (12680, 203459)]