1336660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3111696

約数和(自身を除く): 1775036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 97, 106, 130, 194, 212, 260, 265, 388, 485, 530, 689, 970, 1060, 1261, 1378, 1940, 2522, 2756, 3445, 5044, 5141, 6305, 6890, 10282, 12610, 13780, 20564, 25220, 25705, 51410, 66833, 102820, 133666, 267332, 334165, 668330, 1336660]

約数ペア:

[(1, 1336660), (2, 668330), (4, 334165), (5, 267332), (10, 133666), (13, 102820), (20, 66833), (26, 51410), (52, 25705), (53, 25220), (65, 20564), (97, 13780), (106, 12610), (130, 10282), (194, 6890), (212, 6305), (260, 5141), (265, 5044), (388, 3445), (485, 2756), (530, 2522), (689, 1940), (970, 1378), (1060, 1261)]