89768960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 88

約数和(自身を含む): 218865240

約数和(自身を除く): 129096280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 197, 256, 320, 356, 394, 445, 512, 640, 712, 788, 890, 985, 1024, 1280, 1424, 1576, 1780, 1970, 2560, 2848, 3152, 3560, 3940, 5120, 5696, 6304, 7120, 7880, 11392, 12608, 14240, 15760, 17533, 22784, 25216, 28480, 31520, 35066, 45568, 50432, 56960, 63040, 70132, 87665, 91136, 100864, 113920, 126080, 140264, 175330, 201728, 227840, 252160, 280528, 350660, 455680, 504320, 561056, 701320, 1008640, 1122112, 1402640, 2244224, 2805280, 4488448, 5610560, 8976896, 11221120, 17953792, 22442240, 44884480, 89768960]

約数ペア:

[(1, 89768960), (2, 44884480), (4, 22442240), (5, 17953792), (8, 11221120), (10, 8976896), (16, 5610560), (20, 4488448), (32, 2805280), (40, 2244224), (64, 1402640), (80, 1122112), (89, 1008640), (128, 701320), (160, 561056), (178, 504320), (197, 455680), (256, 350660), (320, 280528), (356, 252160), (394, 227840), (445, 201728), (512, 175330), (640, 140264), (712, 126080), (788, 113920), (890, 100864), (985, 91136), (1024, 87665), (1280, 70132), (1424, 63040), (1576, 56960), (1780, 50432), (1970, 45568), (2560, 35066), (2848, 31520), (3152, 28480), (3560, 25216), (3940, 22784), (5120, 17533), (5696, 15760), (6304, 14240), (7120, 12608), (7880, 11392)]