30729520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8933}}^1$

素因数の和:8989

約数の個数: 40

約数和(自身を含む): 73115856

約数和(自身を除く): 42386336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8933, 17866, 35732, 44665, 71464, 89330, 142928, 178660, 357320, 384119, 714640, 768238, 1536476, 1920595, 3072952, 3841190, 6145904, 7682380, 15364760, 30729520]

約数ペア:

[(1, 30729520), (2, 15364760), (4, 7682380), (5, 6145904), (8, 3841190), (10, 3072952), (16, 1920595), (20, 1536476), (40, 768238), (43, 714640), (80, 384119), (86, 357320), (172, 178660), (215, 142928), (344, 89330), (430, 71464), (688, 44665), (860, 35732), (1720, 17866), (3440, 8933)]