54802640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 132580800

約数和(自身を除く): 77778160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 179, 215, 344, 356, 358, 430, 445, 688, 712, 716, 860, 890, 895, 1424, 1432, 1720, 1780, 1790, 2864, 3440, 3560, 3580, 3827, 7120, 7160, 7654, 7697, 14320, 15308, 15394, 15931, 19135, 30616, 30788, 31862, 38270, 38485, 61232, 61576, 63724, 76540, 76970, 79655, 123152, 127448, 153080, 153940, 159310, 254896, 306160, 307880, 318620, 615760, 637240, 685033, 1274480, 1370066, 2740132, 3425165, 5480264, 6850330, 10960528, 13700660, 27401320, 54802640]

約数ペア:

[(1, 54802640), (2, 27401320), (4, 13700660), (5, 10960528), (8, 6850330), (10, 5480264), (16, 3425165), (20, 2740132), (40, 1370066), (43, 1274480), (80, 685033), (86, 637240), (89, 615760), (172, 318620), (178, 307880), (179, 306160), (215, 254896), (344, 159310), (356, 153940), (358, 153080), (430, 127448), (445, 123152), (688, 79655), (712, 76970), (716, 76540), (860, 63724), (890, 61576), (895, 61232), (1424, 38485), (1432, 38270), (1720, 31862), (1780, 30788), (1790, 30616), (2864, 19135), (3440, 15931), (3560, 15394), (3580, 15308), (3827, 14320), (7120, 7697), (7160, 7654)]