8001880

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 18098640

約数和(自身を除く): 10096760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 797, 1004, 1255, 1594, 2008, 2510, 3188, 3985, 5020, 6376, 7970, 10040, 15940, 31880, 200047, 400094, 800188, 1000235, 1600376, 2000470, 4000940, 8001880]

約数ペア:

[(1, 8001880), (2, 4000940), (4, 2000470), (5, 1600376), (8, 1000235), (10, 800188), (20, 400094), (40, 200047), (251, 31880), (502, 15940), (797, 10040), (1004, 7970), (1255, 6376), (1594, 5020), (2008, 3985), (2510, 3188)]