63837640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16453}}^1$

素因数の和:16561

約数の個数: 32

約数和(自身を含む): 145124280

約数和(自身を除く): 81286640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 16453, 32906, 65812, 82265, 131624, 164530, 329060, 658120, 1595941, 3191882, 6383764, 7979705, 12767528, 15959410, 31918820, 63837640]

約数ペア:

[(1, 63837640), (2, 31918820), (4, 15959410), (5, 12767528), (8, 7979705), (10, 6383764), (20, 3191882), (40, 1595941), (97, 658120), (194, 329060), (388, 164530), (485, 131624), (776, 82265), (970, 65812), (1940, 32906), (3880, 16453)]