20129040010

素因数分解:

$2^1\times 5^1\times {\mathrm{52709}}^1\times {\mathrm{38189}}^1$

素因数の和:90905

約数の個数: 16

約数和(自身を含む): 36233908200

約数和(自身を除く): 16104868190

約数列:

[1, 2, 5, 10, 38189, 52709, 76378, 105418, 190945, 263545, 381890, 527090, 2012904001, 4025808002, 10064520005, 20129040010]

約数ペア:

[(1, 20129040010), (2, 10064520005), (5, 4025808002), (10, 2012904001), (38189, 527090), (52709, 381890), (76378, 263545), (105418, 190945)]