22442240

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 54636120

約数和(自身を除く): 32193880

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, 640, 712, 788, 890, 985, 1280, 1424, 1576, 1780, 1970, 2848, 3152, 3560, 3940, 5696, 6304, 7120, 7880, 11392, 12608, 14240, 15760, 17533, 22784, 25216, 28480, 31520, 35066, 50432, 56960, 63040, 70132, 87665, 113920, 126080, 140264, 175330, 252160, 280528, 350660, 561056, 701320, 1122112, 1402640, 2244224, 2805280, 4488448, 5610560, 11221120, 22442240]

約数ペア:

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