12544040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 29529360

約数和(自身を除く): 16985320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 97, 106, 122, 194, 212, 244, 265, 305, 388, 424, 485, 488, 530, 610, 776, 970, 1060, 1220, 1940, 2120, 2440, 3233, 3880, 5141, 5917, 6466, 10282, 11834, 12932, 16165, 20564, 23668, 25705, 25864, 29585, 32330, 41128, 47336, 51410, 59170, 64660, 102820, 118340, 129320, 205640, 236680, 313601, 627202, 1254404, 1568005, 2508808, 3136010, 6272020, 12544040]

約数ペア:

[(1, 12544040), (2, 6272020), (4, 3136010), (5, 2508808), (8, 1568005), (10, 1254404), (20, 627202), (40, 313601), (53, 236680), (61, 205640), (97, 129320), (106, 118340), (122, 102820), (194, 64660), (212, 59170), (244, 51410), (265, 47336), (305, 41128), (388, 32330), (424, 29585), (485, 25864), (488, 25705), (530, 23668), (610, 20564), (776, 16165), (970, 12932), (1060, 11834), (1220, 10282), (1940, 6466), (2120, 5917), (2440, 5141), (3233, 3880)]