202927720

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{9011}}^1$

素因数の和:9585

約数の個数: 32

約数和(自身を含む): 457449120

約数和(自身を除く): 254521400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 9011, 11260, 18022, 22520, 36044, 45055, 72088, 90110, 180220, 360440, 5073193, 10146386, 20292772, 25365965, 40585544, 50731930, 101463860, 202927720]

約数ペア:

[(1, 202927720), (2, 101463860), (4, 50731930), (5, 40585544), (8, 25365965), (10, 20292772), (20, 10146386), (40, 5073193), (563, 360440), (1126, 180220), (2252, 90110), (2815, 72088), (4504, 45055), (5630, 36044), (9011, 22520), (11260, 18022)]