271707080

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{10597}}^1$

素因数の和:11249

約数の個数: 32

約数和(自身を含む): 612352440

約数和(自身を除く): 340645360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 10597, 12820, 21194, 25640, 42388, 52985, 84776, 105970, 211940, 423880, 6792677, 13585354, 27170708, 33963385, 54341416, 67926770, 135853540, 271707080]

約数ペア:

[(1, 271707080), (2, 135853540), (4, 67926770), (5, 54341416), (8, 33963385), (10, 27170708), (20, 13585354), (40, 6792677), (641, 423880), (1282, 211940), (2564, 105970), (3205, 84776), (5128, 52985), (6410, 42388), (10597, 25640), (12820, 21194)]