1320221456

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1044479}}^1$

素因数の和:1044566

約数の個数: 20

約数和(自身を含む): 2590310400

約数和(自身を除く): 1270088944

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1044479, 2088958, 4177916, 8355832, 16711664, 82513841, 165027682, 330055364, 660110728, 1320221456]

約数ペア:

[(1, 1320221456), (2, 660110728), (4, 330055364), (8, 165027682), (16, 82513841), (79, 16711664), (158, 8355832), (316, 4177916), (632, 2088958), (1264, 1044479)]