8077420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 18684288

約数和(自身を除く): 10606868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 661, 940, 1222, 1322, 2444, 2644, 3055, 3305, 6110, 6610, 8593, 12220, 13220, 17186, 31067, 34372, 42965, 62134, 85930, 124268, 155335, 171860, 310670, 403871, 621340, 807742, 1615484, 2019355, 4038710, 8077420]

約数ペア:

[(1, 8077420), (2, 4038710), (4, 2019355), (5, 1615484), (10, 807742), (13, 621340), (20, 403871), (26, 310670), (47, 171860), (52, 155335), (65, 124268), (94, 85930), (130, 62134), (188, 42965), (235, 34372), (260, 31067), (470, 17186), (611, 13220), (661, 12220), (940, 8593), (1222, 6610), (1322, 6110), (2444, 3305), (2644, 3055)]