28935680

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 41774080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 127, 128, 160, 178, 254, 256, 320, 356, 445, 508, 512, 635, 640, 712, 890, 1016, 1270, 1280, 1424, 1780, 2032, 2540, 2560, 2848, 3560, 4064, 5080, 5696, 7120, 8128, 10160, 11303, 11392, 14240, 16256, 20320, 22606, 22784, 28480, 32512, 40640, 45212, 45568, 56515, 56960, 65024, 81280, 90424, 113030, 113920, 162560, 180848, 226060, 227840, 325120, 361696, 452120, 723392, 904240, 1446784, 1808480, 2893568, 3616960, 5787136, 7233920, 14467840, 28935680]

約数ペア:

[(1, 28935680), (2, 14467840), (4, 7233920), (5, 5787136), (8, 3616960), (10, 2893568), (16, 1808480), (20, 1446784), (32, 904240), (40, 723392), (64, 452120), (80, 361696), (89, 325120), (127, 227840), (128, 226060), (160, 180848), (178, 162560), (254, 113920), (256, 113030), (320, 90424), (356, 81280), (445, 65024), (508, 56960), (512, 56515), (635, 45568), (640, 45212), (712, 40640), (890, 32512), (1016, 28480), (1270, 22784), (1280, 22606), (1424, 20320), (1780, 16256), (2032, 14240), (2540, 11392), (2560, 11303), (2848, 10160), (3560, 8128), (4064, 7120), (5080, 5696)]