11221120

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 27264600

約数和(自身を除く): 16043480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 197, 320, 356, 394, 445, 640, 712, 788, 890, 985, 1424, 1576, 1780, 1970, 2848, 3152, 3560, 3940, 5696, 6304, 7120, 7880, 11392, 12608, 14240, 15760, 17533, 25216, 28480, 31520, 35066, 56960, 63040, 70132, 87665, 126080, 140264, 175330, 280528, 350660, 561056, 701320, 1122112, 1402640, 2244224, 2805280, 5610560, 11221120]

約数ペア:

[(1, 11221120), (2, 5610560), (4, 2805280), (5, 2244224), (8, 1402640), (10, 1122112), (16, 701320), (20, 561056), (32, 350660), (40, 280528), (64, 175330), (80, 140264), (89, 126080), (128, 87665), (160, 70132), (178, 63040), (197, 56960), (320, 35066), (356, 31520), (394, 28480), (445, 25216), (640, 17533), (712, 15760), (788, 14240), (890, 12608), (985, 11392), (1424, 7880), (1576, 7120), (1780, 6304), (1970, 5696), (2848, 3940), (3152, 3560)]