2533640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 5768280

約数和(自身を除く): 3234640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 653, 776, 970, 1306, 1940, 2612, 3265, 3880, 5224, 6530, 13060, 26120, 63341, 126682, 253364, 316705, 506728, 633410, 1266820, 2533640]

約数ペア:

[(1, 2533640), (2, 1266820), (4, 633410), (5, 506728), (8, 316705), (10, 253364), (20, 126682), (40, 63341), (97, 26120), (194, 13060), (388, 6530), (485, 5224), (653, 3880), (776, 3265), (970, 2612), (1306, 1940)]