11747840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 30419928

約数和(自身を除く): 18672088

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, 353, 416, 512, 520, 640, 706, 832, 1040, 1280, 1412, 1664, 1765, 2080, 2560, 2824, 3328, 3530, 4160, 4589, 5648, 6656, 7060, 8320, 9178, 11296, 14120, 16640, 18356, 22592, 22945, 28240, 33280, 36712, 45184, 45890, 56480, 73424, 90368, 91780, 112960, 146848, 180736, 183560, 225920, 293696, 367120, 451840, 587392, 734240, 903680, 1174784, 1468480, 2349568, 2936960, 5873920, 11747840]

約数ペア:

[(1, 11747840), (2, 5873920), (4, 2936960), (5, 2349568), (8, 1468480), (10, 1174784), (13, 903680), (16, 734240), (20, 587392), (26, 451840), (32, 367120), (40, 293696), (52, 225920), (64, 183560), (65, 180736), (80, 146848), (104, 112960), (128, 91780), (130, 90368), (160, 73424), (208, 56480), (256, 45890), (260, 45184), (320, 36712), (353, 33280), (416, 28240), (512, 22945), (520, 22592), (640, 18356), (706, 16640), (832, 14120), (1040, 11296), (1280, 9178), (1412, 8320), (1664, 7060), (1765, 6656), (2080, 5648), (2560, 4589), (2824, 4160), (3328, 3530)]