19711172480

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{716249}}^1$

素因数の和:716311

約数の個数: 64

約数和(自身を含む): 48217950000

約数和(自身を除く): 28506777520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 13760, 27520, 716249, 1432498, 2864996, 3581245, 5729992, 7162490, 11459984, 14324980, 22919968, 28649960, 30798707, 45839936, 57299920, 61597414, 91679872, 114599840, 123194828, 153993535, 229199680, 246389656, 307987070, 458399360, 492779312, 615974140, 985558624, 1231948280, 1971117248, 2463896560, 3942234496, 4927793120, 9855586240, 19711172480]

約数ペア:

[(1, 19711172480), (2, 9855586240), (4, 4927793120), (5, 3942234496), (8, 2463896560), (10, 1971117248), (16, 1231948280), (20, 985558624), (32, 615974140), (40, 492779312), (43, 458399360), (64, 307987070), (80, 246389656), (86, 229199680), (128, 153993535), (160, 123194828), (172, 114599840), (215, 91679872), (320, 61597414), (344, 57299920), (430, 45839936), (640, 30798707), (688, 28649960), (860, 22919968), (1376, 14324980), (1720, 11459984), (2752, 7162490), (3440, 5729992), (5504, 3581245), (6880, 2864996), (13760, 1432498), (27520, 716249)]