25241240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15391}}^1$

素因数の和:15443

約数の個数: 32

約数和(自身を含む): 58181760

約数和(自身を除く): 32940520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15391, 30782, 61564, 76955, 123128, 153910, 307820, 615640, 631031, 1262062, 2524124, 3155155, 5048248, 6310310, 12620620, 25241240]

約数ペア:

[(1, 25241240), (2, 12620620), (4, 6310310), (5, 5048248), (8, 3155155), (10, 2524124), (20, 1262062), (40, 631031), (41, 615640), (82, 307820), (164, 153910), (205, 123128), (328, 76955), (410, 61564), (820, 30782), (1640, 15391)]