804936920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{80173}}^1$

素因数の和:80435

約数の個数: 32

約数和(自身を含む): 1818346320

約数和(自身を除く): 1013409400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 80173, 160346, 320692, 400865, 641384, 801730, 1603460, 3206920, 20123423, 40246846, 80493692, 100617115, 160987384, 201234230, 402468460, 804936920]

約数ペア:

[(1, 804936920), (2, 402468460), (4, 201234230), (5, 160987384), (8, 100617115), (10, 80493692), (20, 40246846), (40, 20123423), (251, 3206920), (502, 1603460), (1004, 801730), (1255, 641384), (2008, 400865), (2510, 320692), (5020, 160346), (10040, 80173)]