201974680

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{20117}}^1$

素因数の和:20379

約数の個数: 32

約数和(自身を含む): 456276240

約数和(自身を除く): 254301560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 20117, 40234, 80468, 100585, 160936, 201170, 402340, 804680, 5049367, 10098734, 20197468, 25246835, 40394936, 50493670, 100987340, 201974680]

約数ペア:

[(1, 201974680), (2, 100987340), (4, 50493670), (5, 40394936), (8, 25246835), (10, 20197468), (20, 10098734), (40, 5049367), (251, 804680), (502, 402340), (1004, 201170), (1255, 160936), (2008, 100585), (2510, 80468), (5020, 40234), (10040, 20117)]