1325609860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1\times {\mathrm{2131}}^1$

素因数の和:3796

約数の個数: 48

約数和(自身を含む): 2933461440

約数和(自身を除く): 1607851580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1637, 2131, 3274, 4262, 6548, 8185, 8524, 10655, 16370, 21310, 31103, 32740, 40489, 42620, 62206, 80978, 124412, 155515, 161956, 202445, 311030, 404890, 622060, 809780, 3488447, 6976894, 13953788, 17442235, 34884470, 66280493, 69768940, 132560986, 265121972, 331402465, 662804930, 1325609860]

約数ペア:

[(1, 1325609860), (2, 662804930), (4, 331402465), (5, 265121972), (10, 132560986), (19, 69768940), (20, 66280493), (38, 34884470), (76, 17442235), (95, 13953788), (190, 6976894), (380, 3488447), (1637, 809780), (2131, 622060), (3274, 404890), (4262, 311030), (6548, 202445), (8185, 161956), (8524, 155515), (10655, 124412), (16370, 80978), (21310, 62206), (31103, 42620), (32740, 40489)]