16497920

素因数分解:

$2^8\times 5^1\times {\mathrm{12889}}^1$

素因数の和:12910

約数の個数: 36

約数和(自身を含む): 39520740

約数和(自身を除く): 23022820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12889, 25778, 51556, 64445, 103112, 128890, 206224, 257780, 412448, 515560, 824896, 1031120, 1649792, 2062240, 3299584, 4124480, 8248960, 16497920]

約数ペア:

[(1, 16497920), (2, 8248960), (4, 4124480), (5, 3299584), (8, 2062240), (10, 1649792), (16, 1031120), (20, 824896), (32, 515560), (40, 412448), (64, 257780), (80, 206224), (128, 128890), (160, 103112), (256, 64445), (320, 51556), (640, 25778), (1280, 12889)]