51551480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 125504640

約数和(自身を除く): 73953160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1613, 1880, 3196, 3226, 3995, 6392, 6452, 7990, 8065, 12904, 15980, 16130, 27421, 31960, 32260, 54842, 64520, 75811, 109684, 137105, 151622, 219368, 274210, 303244, 379055, 548420, 606488, 758110, 1096840, 1288787, 1516220, 2577574, 3032440, 5155148, 6443935, 10310296, 12887870, 25775740, 51551480]

約数ペア:

[(1, 51551480), (2, 25775740), (4, 12887870), (5, 10310296), (8, 6443935), (10, 5155148), (17, 3032440), (20, 2577574), (34, 1516220), (40, 1288787), (47, 1096840), (68, 758110), (85, 606488), (94, 548420), (136, 379055), (170, 303244), (188, 274210), (235, 219368), (340, 151622), (376, 137105), (470, 109684), (680, 75811), (799, 64520), (940, 54842), (1598, 32260), (1613, 31960), (1880, 27421), (3196, 16130), (3226, 15980), (3995, 12904), (6392, 8065), (6452, 7990)]