29807920

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{911}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 69549120

約数和(自身を除く): 39741200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 911, 1636, 1822, 2045, 3272, 3644, 4090, 4555, 6544, 7288, 8180, 9110, 14576, 16360, 18220, 32720, 36440, 72880, 372599, 745198, 1490396, 1862995, 2980792, 3725990, 5961584, 7451980, 14903960, 29807920]

約数ペア:

[(1, 29807920), (2, 14903960), (4, 7451980), (5, 5961584), (8, 3725990), (10, 2980792), (16, 1862995), (20, 1490396), (40, 745198), (80, 372599), (409, 72880), (818, 36440), (911, 32720), (1636, 18220), (1822, 16360), (2045, 14576), (3272, 9110), (3644, 8180), (4090, 7288), (4555, 6544)]