2465567980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{491149}}^1$

素因数の和:491409

約数の個数: 24

約数和(自身を含む): 5198331600

約数和(自身を除く): 2732763620

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 491149, 982298, 1964596, 2455745, 4911490, 9822980, 123278399, 246556798, 493113596, 616391995, 1232783990, 2465567980]

約数ペア:

[(1, 2465567980), (2, 1232783990), (4, 616391995), (5, 493113596), (10, 246556798), (20, 123278399), (251, 9822980), (502, 4911490), (1004, 2455745), (1255, 1964596), (2510, 982298), (5020, 491149)]