128328560

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5791}}^1$

素因数の和:6081

約数の個数: 40

約数和(自身を含む): 299492736

約数和(自身を除く): 171164176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 5791, 11080, 11582, 22160, 23164, 28955, 46328, 57910, 92656, 115820, 231640, 463280, 1604107, 3208214, 6416428, 8020535, 12832856, 16041070, 25665712, 32082140, 64164280, 128328560]

約数ペア:

[(1, 128328560), (2, 64164280), (4, 32082140), (5, 25665712), (8, 16041070), (10, 12832856), (16, 8020535), (20, 6416428), (40, 3208214), (80, 1604107), (277, 463280), (554, 231640), (1108, 115820), (1385, 92656), (2216, 57910), (2770, 46328), (4432, 28955), (5540, 23164), (5791, 22160), (11080, 11582)]