160997860

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{8123}}^1$

素因数の和:9123

約数の個数: 24

約数和(自身を含む): 338478336

約数和(自身を除く): 177480476

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 8123, 9910, 16246, 19820, 32492, 40615, 81230, 162460, 8049893, 16099786, 32199572, 40249465, 80498930, 160997860]

約数ペア:

[(1, 160997860), (2, 80498930), (4, 40249465), (5, 32199572), (10, 16099786), (20, 8049893), (991, 162460), (1982, 81230), (3964, 40615), (4955, 32492), (8123, 19820), (9910, 16246)]