1140880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 2859192

約数和(自身を除く): 1718312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1097, 2194, 4388, 5485, 8776, 10970, 14261, 17552, 21940, 28522, 43880, 57044, 71305, 87760, 114088, 142610, 228176, 285220, 570440, 1140880]

約数ペア:

[(1, 1140880), (2, 570440), (4, 285220), (5, 228176), (8, 142610), (10, 114088), (13, 87760), (16, 71305), (20, 57044), (26, 43880), (40, 28522), (52, 21940), (65, 17552), (80, 14261), (104, 10970), (130, 8776), (208, 5485), (260, 4388), (520, 2194), (1040, 1097)]