7772440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14947}}^1$

素因数の和:14971

約数の個数: 32

約数和(自身を含む): 18834480

約数和(自身を除く): 11062040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14947, 29894, 59788, 74735, 119576, 149470, 194311, 298940, 388622, 597880, 777244, 971555, 1554488, 1943110, 3886220, 7772440]

約数ペア:

[(1, 7772440), (2, 3886220), (4, 1943110), (5, 1554488), (8, 971555), (10, 777244), (13, 597880), (20, 388622), (26, 298940), (40, 194311), (52, 149470), (65, 119576), (104, 74735), (130, 59788), (260, 29894), (520, 14947)]