13557280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7703}}^1$

素因数の和:7729

約数の個数: 48

約数和(自身を含む): 34945344

約数和(自身を除く): 21388064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7703, 15406, 30812, 38515, 61624, 77030, 84733, 123248, 154060, 169466, 246496, 308120, 338932, 423665, 616240, 677864, 847330, 1232480, 1355728, 1694660, 2711456, 3389320, 6778640, 13557280]

約数ペア:

[(1, 13557280), (2, 6778640), (4, 3389320), (5, 2711456), (8, 1694660), (10, 1355728), (11, 1232480), (16, 847330), (20, 677864), (22, 616240), (32, 423665), (40, 338932), (44, 308120), (55, 246496), (80, 169466), (88, 154060), (110, 123248), (160, 84733), (176, 77030), (220, 61624), (352, 38515), (440, 30812), (880, 15406), (1760, 7703)]