55307980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30389}}^1$

素因数の和:30418

約数の個数: 48

約数和(自身を含む): 142954560

約数和(自身を除く): 87646580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 30389, 60778, 121556, 151945, 212723, 303890, 395057, 425446, 607780, 790114, 850892, 1063615, 1580228, 1975285, 2127230, 2765399, 3950570, 4254460, 5530798, 7901140, 11061596, 13826995, 27653990, 55307980]

約数ペア:

[(1, 55307980), (2, 27653990), (4, 13826995), (5, 11061596), (7, 7901140), (10, 5530798), (13, 4254460), (14, 3950570), (20, 2765399), (26, 2127230), (28, 1975285), (35, 1580228), (52, 1063615), (65, 850892), (70, 790114), (91, 607780), (130, 425446), (140, 395057), (182, 303890), (260, 212723), (364, 151945), (455, 121556), (910, 60778), (1820, 30389)]