80640224

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2293}}^1$

素因数の和:2467

約数の個数: 48

約数和(自身を含む): 182675808

約数和(自身を除く): 102035584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 628, 1099, 1256, 2198, 2293, 2512, 4396, 4586, 5024, 8792, 9172, 16051, 17584, 18344, 32102, 35168, 36688, 64204, 73376, 128408, 256816, 360001, 513632, 720002, 1440004, 2520007, 2880008, 5040014, 5760016, 10080028, 11520032, 20160056, 40320112, 80640224]

約数ペア:

[(1, 80640224), (2, 40320112), (4, 20160056), (7, 11520032), (8, 10080028), (14, 5760016), (16, 5040014), (28, 2880008), (32, 2520007), (56, 1440004), (112, 720002), (157, 513632), (224, 360001), (314, 256816), (628, 128408), (1099, 73376), (1256, 64204), (2198, 36688), (2293, 35168), (2512, 32102), (4396, 18344), (4586, 17584), (5024, 16051), (8792, 9172)]