13033480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 29520000

約数和(自身を除く): 16486520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1999, 3260, 3998, 6520, 7996, 9995, 15992, 19990, 39980, 79960, 325837, 651674, 1303348, 1629185, 2606696, 3258370, 6516740, 13033480]

約数ペア:

[(1, 13033480), (2, 6516740), (4, 3258370), (5, 2606696), (8, 1629185), (10, 1303348), (20, 651674), (40, 325837), (163, 79960), (326, 39980), (652, 19990), (815, 15992), (1304, 9995), (1630, 7996), (1999, 6520), (3260, 3998)]