670280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 1625400

約数和(自身を除く): 955120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1289, 2578, 5156, 6445, 10312, 12890, 16757, 25780, 33514, 51560, 67028, 83785, 134056, 167570, 335140, 670280]

約数ペア:

[(1, 670280), (2, 335140), (4, 167570), (5, 134056), (8, 83785), (10, 67028), (13, 51560), (20, 33514), (26, 25780), (40, 16757), (52, 12890), (65, 10312), (104, 6445), (130, 5156), (260, 2578), (520, 1289)]