1330971440

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{121439}}^1$

素因数の和:121589

約数の個数: 40

約数和(自身を含む): 3117121920

約数和(自身を除く): 1786150480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 121439, 242878, 485756, 607195, 971512, 1214390, 1943024, 2428780, 4857560, 9715120, 16637143, 33274286, 66548572, 83185715, 133097144, 166371430, 266194288, 332742860, 665485720, 1330971440]

約数ペア:

[(1, 1330971440), (2, 665485720), (4, 332742860), (5, 266194288), (8, 166371430), (10, 133097144), (16, 83185715), (20, 66548572), (40, 33274286), (80, 16637143), (137, 9715120), (274, 4857560), (548, 2428780), (685, 1943024), (1096, 1214390), (1370, 971512), (2192, 607195), (2740, 485756), (5480, 242878), (10960, 121439)]