4000940

素因数分解:

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

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 8446032

約数和(自身を除く): 4445092

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 797, 1004, 1255, 1594, 2510, 3188, 3985, 5020, 7970, 15940, 200047, 400094, 800188, 1000235, 2000470, 4000940]

約数ペア:

[(1, 4000940), (2, 2000470), (4, 1000235), (5, 800188), (10, 400094), (20, 200047), (251, 15940), (502, 7970), (797, 5020), (1004, 3985), (1255, 3188), (1594, 2510)]