28780970

素因数分解:

$2^1\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{2437}}^1$

素因数の和:3625

約数の個数: 16

約数和(自身を含む): 51870888

約数和(自身を除く): 23089918

約数列:

[1, 2, 5, 10, 1181, 2362, 2437, 4874, 5905, 11810, 12185, 24370, 2878097, 5756194, 14390485, 28780970]

約数ペア:

[(1, 28780970), (2, 14390485), (5, 5756194), (10, 2878097), (1181, 24370), (2362, 12185), (2437, 11810), (4874, 5905)]