31936280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8231}}^1$

素因数の和:8339

約数の個数: 32

約数和(自身を含む): 72606240

約数和(自身を除く): 40669960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 8231, 16462, 32924, 41155, 65848, 82310, 164620, 329240, 798407, 1596814, 3193628, 3992035, 6387256, 7984070, 15968140, 31936280]

約数ペア:

[(1, 31936280), (2, 15968140), (4, 7984070), (5, 6387256), (8, 3992035), (10, 3193628), (20, 1596814), (40, 798407), (97, 329240), (194, 164620), (388, 82310), (485, 65848), (776, 41155), (970, 32924), (1940, 16462), (3880, 8231)]