49187840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:777

約数の個数: 88

約数和(自身を含む): 127241520

約数和(自身を除く): 78053680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 739, 832, 1024, 1040, 1280, 1478, 1664, 2080, 2560, 2956, 3328, 3695, 4160, 5120, 5912, 6656, 7390, 8320, 9607, 11824, 13312, 14780, 16640, 19214, 23648, 29560, 33280, 38428, 47296, 48035, 59120, 66560, 76856, 94592, 96070, 118240, 153712, 189184, 192140, 236480, 307424, 378368, 384280, 472960, 614848, 756736, 768560, 945920, 1229696, 1537120, 1891840, 2459392, 3074240, 3783680, 4918784, 6148480, 9837568, 12296960, 24593920, 49187840]

約数ペア:

[(1, 49187840), (2, 24593920), (4, 12296960), (5, 9837568), (8, 6148480), (10, 4918784), (13, 3783680), (16, 3074240), (20, 2459392), (26, 1891840), (32, 1537120), (40, 1229696), (52, 945920), (64, 768560), (65, 756736), (80, 614848), (104, 472960), (128, 384280), (130, 378368), (160, 307424), (208, 236480), (256, 192140), (260, 189184), (320, 153712), (416, 118240), (512, 96070), (520, 94592), (640, 76856), (739, 66560), (832, 59120), (1024, 48035), (1040, 47296), (1280, 38428), (1478, 33280), (1664, 29560), (2080, 23648), (2560, 19214), (2956, 16640), (3328, 14780), (3695, 13312), (4160, 11824), (5120, 9607), (5912, 8320), (6656, 7390)]