42668240

素因数分解:

$2^4\times 5^1\times {\mathrm{533353}}^1$

素因数の和:533366

約数の個数: 20

約数和(自身を含む): 99203844

約数和(自身を除く): 56535604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533353, 1066706, 2133412, 2666765, 4266824, 5333530, 8533648, 10667060, 21334120, 42668240]

約数ペア:

[(1, 42668240), (2, 21334120), (4, 10667060), (5, 8533648), (8, 5333530), (10, 4266824), (16, 2666765), (20, 2133412), (40, 1066706), (80, 533353)]