75722120

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1999}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 170640000

約数和(自身を除く): 94917880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 1999, 3788, 3998, 4735, 7576, 7996, 9470, 9995, 15992, 18940, 19990, 37880, 39980, 79960, 1893053, 3786106, 7572212, 9465265, 15144424, 18930530, 37861060, 75722120]

約数ペア:

[(1, 75722120), (2, 37861060), (4, 18930530), (5, 15144424), (8, 9465265), (10, 7572212), (20, 3786106), (40, 1893053), (947, 79960), (1894, 39980), (1999, 37880), (3788, 19990), (3998, 18940), (4735, 15992), (7576, 9995), (7996, 9470)]