82666640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3433}}^1$

素因数の和:3496

約数の個数: 80

約数和(自身を含む): 224830848

約数和(自身を除く): 142164208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3433, 3440, 4816, 6020, 6866, 12040, 13732, 17165, 24031, 24080, 27464, 34330, 48062, 54928, 68660, 96124, 120155, 137320, 147619, 192248, 240310, 274640, 295238, 384496, 480620, 590476, 738095, 961240, 1033333, 1180952, 1476190, 1922480, 2066666, 2361904, 2952380, 4133332, 5166665, 5904760, 8266664, 10333330, 11809520, 16533328, 20666660, 41333320, 82666640]

約数ペア:

[(1, 82666640), (2, 41333320), (4, 20666660), (5, 16533328), (7, 11809520), (8, 10333330), (10, 8266664), (14, 5904760), (16, 5166665), (20, 4133332), (28, 2952380), (35, 2361904), (40, 2066666), (43, 1922480), (56, 1476190), (70, 1180952), (80, 1033333), (86, 961240), (112, 738095), (140, 590476), (172, 480620), (215, 384496), (280, 295238), (301, 274640), (344, 240310), (430, 192248), (560, 147619), (602, 137320), (688, 120155), (860, 96124), (1204, 68660), (1505, 54928), (1720, 48062), (2408, 34330), (3010, 27464), (3433, 24080), (3440, 24031), (4816, 17165), (6020, 13732), (6866, 12040)]