31459040

素因数分解:

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

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 75125232

約数和(自身を除く): 43666192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 2027, 3104, 3880, 4054, 7760, 8108, 10135, 15520, 16216, 20270, 32432, 40540, 64864, 81080, 162160, 196619, 324320, 393238, 786476, 983095, 1572952, 1966190, 3145904, 3932380, 6291808, 7864760, 15729520, 31459040]

約数ペア:

[(1, 31459040), (2, 15729520), (4, 7864760), (5, 6291808), (8, 3932380), (10, 3145904), (16, 1966190), (20, 1572952), (32, 983095), (40, 786476), (80, 393238), (97, 324320), (160, 196619), (194, 162160), (388, 81080), (485, 64864), (776, 40540), (970, 32432), (1552, 20270), (1940, 16216), (2027, 15520), (3104, 10135), (3880, 8108), (4054, 7760)]