31146160

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{631}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 72647136

約数和(自身を除く): 41500976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 631, 1234, 1262, 2468, 2524, 3085, 3155, 4936, 5048, 6170, 6310, 9872, 10096, 12340, 12620, 24680, 25240, 49360, 50480, 389327, 778654, 1557308, 1946635, 3114616, 3893270, 6229232, 7786540, 15573080, 31146160]

約数ペア:

[(1, 31146160), (2, 15573080), (4, 7786540), (5, 6229232), (8, 3893270), (10, 3114616), (16, 1946635), (20, 1557308), (40, 778654), (80, 389327), (617, 50480), (631, 49360), (1234, 25240), (1262, 24680), (2468, 12620), (2524, 12340), (3085, 10096), (3155, 9872), (4936, 6310), (5048, 6170)]