42740056

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{51869}}^1$

素因数の和:51978

約数の個数: 16

約数和(自身を含む): 80917200

約数和(自身を除く): 38177144

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 51869, 103738, 207476, 414952, 5342507, 10685014, 21370028, 42740056]

約数ペア:

[(1, 42740056), (2, 21370028), (4, 10685014), (8, 5342507), (103, 414952), (206, 207476), (412, 103738), (824, 51869)]