320470580

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{8429}}^1$

素因数の和:10339

約数の個数: 24

約数和(自身を含む): 673422120

約数和(自身を除く): 352951540

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 7604, 8429, 9505, 16858, 19010, 33716, 38020, 42145, 84290, 168580, 16023529, 32047058, 64094116, 80117645, 160235290, 320470580]

約数ペア:

[(1, 320470580), (2, 160235290), (4, 80117645), (5, 64094116), (10, 32047058), (20, 16023529), (1901, 168580), (3802, 84290), (7604, 42145), (8429, 38020), (9505, 33716), (16858, 19010)]