17887520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{15971}}^1$

素因数の和:15993

約数の個数: 48

約数和(自身を含む): 48299328

約数和(自身を除く): 30411808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 15971, 31942, 63884, 79855, 111797, 127768, 159710, 223594, 255536, 319420, 447188, 511072, 558985, 638840, 894376, 1117970, 1277680, 1788752, 2235940, 2555360, 3577504, 4471880, 8943760, 17887520]

約数ペア:

[(1, 17887520), (2, 8943760), (4, 4471880), (5, 3577504), (7, 2555360), (8, 2235940), (10, 1788752), (14, 1277680), (16, 1117970), (20, 894376), (28, 638840), (32, 558985), (35, 511072), (40, 447188), (56, 319420), (70, 255536), (80, 223594), (112, 159710), (140, 127768), (160, 111797), (224, 79855), (280, 63884), (560, 31942), (1120, 15971)]