2487080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 5662440

約数和(自身を除く): 3175360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 641, 776, 970, 1282, 1940, 2564, 3205, 3880, 5128, 6410, 12820, 25640, 62177, 124354, 248708, 310885, 497416, 621770, 1243540, 2487080]

約数ペア:

[(1, 2487080), (2, 1243540), (4, 621770), (5, 497416), (8, 310885), (10, 248708), (20, 124354), (40, 62177), (97, 25640), (194, 12820), (388, 6410), (485, 5128), (641, 3880), (776, 3205), (970, 2564), (1282, 1940)]