1376440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 3336480

約数和(自身を除く): 1960040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2647, 5294, 10588, 13235, 21176, 26470, 34411, 52940, 68822, 105880, 137644, 172055, 275288, 344110, 688220, 1376440]

約数ペア:

[(1, 1376440), (2, 688220), (4, 344110), (5, 275288), (8, 172055), (10, 137644), (13, 105880), (20, 68822), (26, 52940), (40, 34411), (52, 26470), (65, 21176), (104, 13235), (130, 10588), (260, 5294), (520, 2647)]