15729520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2027}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 36966384

約数和(自身を除く): 21236864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2027, 3880, 4054, 7760, 8108, 10135, 16216, 20270, 32432, 40540, 81080, 162160, 196619, 393238, 786476, 983095, 1572952, 1966190, 3145904, 3932380, 7864760, 15729520]

約数ペア:

[(1, 15729520), (2, 7864760), (4, 3932380), (5, 3145904), (8, 1966190), (10, 1572952), (16, 983095), (20, 786476), (40, 393238), (80, 196619), (97, 162160), (194, 81080), (388, 40540), (485, 32432), (776, 20270), (970, 16216), (1552, 10135), (1940, 8108), (2027, 7760), (3880, 4054)]