31236520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15937}}^1$

素因数の和:15962

約数の個数: 48

約数和(自身を含む): 81761940

約数和(自身を除く): 50525420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15937, 31874, 63748, 79685, 111559, 127496, 159370, 223118, 318740, 446236, 557795, 637480, 780913, 892472, 1115590, 1561826, 2231180, 3123652, 3904565, 4462360, 6247304, 7809130, 15618260, 31236520]

約数ペア:

[(1, 31236520), (2, 15618260), (4, 7809130), (5, 6247304), (7, 4462360), (8, 3904565), (10, 3123652), (14, 2231180), (20, 1561826), (28, 1115590), (35, 892472), (40, 780913), (49, 637480), (56, 557795), (70, 446236), (98, 318740), (140, 223118), (196, 159370), (245, 127496), (280, 111559), (392, 79685), (490, 63748), (980, 31874), (1960, 15937)]