1296106480

素因数分解:

$2^4\times 5^1\times {\mathrm{16201331}}^1$

素因数の和:16201344

約数の個数: 20

約数和(自身を含む): 3013447752

約数和(自身を除く): 1717341272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16201331, 32402662, 64805324, 81006655, 129610648, 162013310, 259221296, 324026620, 648053240, 1296106480]

約数ペア:

[(1, 1296106480), (2, 648053240), (4, 324026620), (5, 259221296), (8, 162013310), (10, 129610648), (16, 81006655), (20, 64805324), (40, 32402662), (80, 16201331)]