127965341720

素因数分解:

$2^3\times 5^1\times {\mathrm{64693}}^1\times {\mathrm{49451}}^1$

素因数の和:114155

約数の個数: 32

約数和(自身を含む): 287932291920

約数和(自身を除く): 159966950200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49451, 64693, 98902, 129386, 197804, 247255, 258772, 323465, 395608, 494510, 517544, 646930, 989020, 1293860, 1978040, 2587720, 3199133543, 6398267086, 12796534172, 15995667715, 25593068344, 31991335430, 63982670860, 127965341720]

約数ペア:

[(1, 127965341720), (2, 63982670860), (4, 31991335430), (5, 25593068344), (8, 15995667715), (10, 12796534172), (20, 6398267086), (40, 3199133543), (49451, 2587720), (64693, 1978040), (98902, 1293860), (129386, 989020), (197804, 646930), (247255, 517544), (258772, 494510), (323465, 395608)]