6403940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3301}}^1$

素因数の和:3407

約数の個数: 24

約数和(自身を含む): 13591032

約数和(自身を除く): 7187092

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 3301, 6602, 13204, 16505, 33010, 66020, 320197, 640394, 1280788, 1600985, 3201970, 6403940]

約数ペア:

[(1, 6403940), (2, 3201970), (4, 1600985), (5, 1280788), (10, 640394), (20, 320197), (97, 66020), (194, 33010), (388, 16505), (485, 13204), (970, 6602), (1940, 3301)]