42170090

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21191}}^1$

素因数の和:21397

約数の個数: 16

約数和(自身を含む): 76291200

約数和(自身を除く): 34121110

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 21191, 42382, 105955, 211910, 4217009, 8434018, 21085045, 42170090]

約数ペア:

[(1, 42170090), (2, 21085045), (5, 8434018), (10, 4217009), (199, 211910), (398, 105955), (995, 42382), (1990, 21191)]