131983360

素因数分解:

$2^{11}\times 5^1\times {\mathrm{12889}}^1$

素因数の和:12916

約数の個数: 48

約数和(自身を含む): 316707300

約数和(自身を除く): 184723940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 12889, 25778, 51556, 64445, 103112, 128890, 206224, 257780, 412448, 515560, 824896, 1031120, 1649792, 2062240, 3299584, 4124480, 6599168, 8248960, 13198336, 16497920, 26396672, 32995840, 65991680, 131983360]

約数ペア:

[(1, 131983360), (2, 65991680), (4, 32995840), (5, 26396672), (8, 16497920), (10, 13198336), (16, 8248960), (20, 6599168), (32, 4124480), (40, 3299584), (64, 2062240), (80, 1649792), (128, 1031120), (160, 824896), (256, 515560), (320, 412448), (512, 257780), (640, 206224), (1024, 128890), (1280, 103112), (2048, 64445), (2560, 51556), (5120, 25778), (10240, 12889)]