89645840

素因数分解:

$2^4\times 5^1\times {\mathrm{1120573}}^1$

素因数の和:1120586

約数の個数: 20

約数和(自身を含む): 208426764

約数和(自身を除く): 118780924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120573, 2241146, 4482292, 5602865, 8964584, 11205730, 17929168, 22411460, 44822920, 89645840]

約数ペア:

[(1, 89645840), (2, 44822920), (4, 22411460), (5, 17929168), (8, 11205730), (10, 8964584), (16, 5602865), (20, 4482292), (40, 2241146), (80, 1120573)]