128514672040

素因数分解:

$2^3\times 5^1\times {\mathrm{3212866801}}^1$

素因数の和:3212866812

約数の個数: 16

約数和(自身を含む): 289158012180

約数和(自身を除く): 160643340140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3212866801, 6425733602, 12851467204, 16064334005, 25702934408, 32128668010, 64257336020, 128514672040]

約数ペア:

[(1, 128514672040), (2, 64257336020), (4, 32128668010), (5, 25702934408), (8, 16064334005), (10, 12851467204), (20, 6425733602), (40, 3212866801)]