16547920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1579}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 38792160

約数和(自身を除く): 22244240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1579, 2096, 2620, 3158, 5240, 6316, 7895, 10480, 12632, 15790, 25264, 31580, 63160, 126320, 206849, 413698, 827396, 1034245, 1654792, 2068490, 3309584, 4136980, 8273960, 16547920]

約数ペア:

[(1, 16547920), (2, 8273960), (4, 4136980), (5, 3309584), (8, 2068490), (10, 1654792), (16, 1034245), (20, 827396), (40, 413698), (80, 206849), (131, 126320), (262, 63160), (524, 31580), (655, 25264), (1048, 15790), (1310, 12632), (1579, 10480), (2096, 7895), (2620, 6316), (3158, 5240)]