28503040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:337

約数の個数: 88

約数和(自身を含む): 72218160

約数和(自身を除く): 43715120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 293, 304, 320, 380, 512, 586, 608, 640, 760, 1024, 1172, 1216, 1280, 1465, 1520, 2344, 2432, 2560, 2930, 3040, 4688, 4864, 5120, 5567, 5860, 6080, 9376, 9728, 11134, 11720, 12160, 18752, 19456, 22268, 23440, 24320, 27835, 37504, 44536, 46880, 48640, 55670, 75008, 89072, 93760, 97280, 111340, 150016, 178144, 187520, 222680, 300032, 356288, 375040, 445360, 712576, 750080, 890720, 1425152, 1500160, 1781440, 2850304, 3562880, 5700608, 7125760, 14251520, 28503040]

約数ペア:

[(1, 28503040), (2, 14251520), (4, 7125760), (5, 5700608), (8, 3562880), (10, 2850304), (16, 1781440), (19, 1500160), (20, 1425152), (32, 890720), (38, 750080), (40, 712576), (64, 445360), (76, 375040), (80, 356288), (95, 300032), (128, 222680), (152, 187520), (160, 178144), (190, 150016), (256, 111340), (293, 97280), (304, 93760), (320, 89072), (380, 75008), (512, 55670), (586, 48640), (608, 46880), (640, 44536), (760, 37504), (1024, 27835), (1172, 24320), (1216, 23440), (1280, 22268), (1465, 19456), (1520, 18752), (2344, 12160), (2432, 11720), (2560, 11134), (2930, 9728), (3040, 9376), (4688, 6080), (4864, 5860), (5120, 5567)]