26206720

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 65185560

約数和(自身を除く): 38978840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 353, 464, 512, 580, 640, 706, 928, 1160, 1280, 1412, 1765, 1856, 2320, 2560, 2824, 3530, 3712, 4640, 5648, 7060, 7424, 9280, 10237, 11296, 14120, 14848, 18560, 20474, 22592, 28240, 37120, 40948, 45184, 51185, 56480, 74240, 81896, 90368, 102370, 112960, 163792, 180736, 204740, 225920, 327584, 409480, 451840, 655168, 818960, 903680, 1310336, 1637920, 2620672, 3275840, 5241344, 6551680, 13103360, 26206720]

約数ペア:

[(1, 26206720), (2, 13103360), (4, 6551680), (5, 5241344), (8, 3275840), (10, 2620672), (16, 1637920), (20, 1310336), (29, 903680), (32, 818960), (40, 655168), (58, 451840), (64, 409480), (80, 327584), (116, 225920), (128, 204740), (145, 180736), (160, 163792), (232, 112960), (256, 102370), (290, 90368), (320, 81896), (353, 74240), (464, 56480), (512, 51185), (580, 45184), (640, 40948), (706, 37120), (928, 28240), (1160, 22592), (1280, 20474), (1412, 18560), (1765, 14848), (1856, 14120), (2320, 11296), (2560, 10237), (2824, 9280), (3530, 7424), (3712, 7060), (4640, 5648)]