39995152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 88387200

約数和(自身を除く): 48392048

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 71, 76, 109, 136, 142, 152, 218, 272, 284, 304, 323, 436, 568, 646, 872, 1136, 1207, 1292, 1349, 1744, 1853, 2071, 2414, 2584, 2698, 3706, 4142, 4828, 5168, 5396, 7412, 7739, 8284, 9656, 10792, 14824, 15478, 16568, 19312, 21584, 22933, 29648, 30956, 33136, 35207, 45866, 61912, 70414, 91732, 123824, 131563, 140828, 147041, 183464, 263126, 281656, 294082, 366928, 526252, 563312, 588164, 1052504, 1176328, 2105008, 2352656, 2499697, 4999394, 9998788, 19997576, 39995152]

約数ペア:

[(1, 39995152), (2, 19997576), (4, 9998788), (8, 4999394), (16, 2499697), (17, 2352656), (19, 2105008), (34, 1176328), (38, 1052504), (68, 588164), (71, 563312), (76, 526252), (109, 366928), (136, 294082), (142, 281656), (152, 263126), (218, 183464), (272, 147041), (284, 140828), (304, 131563), (323, 123824), (436, 91732), (568, 70414), (646, 61912), (872, 45866), (1136, 35207), (1207, 33136), (1292, 30956), (1349, 29648), (1744, 22933), (1853, 21584), (2071, 19312), (2414, 16568), (2584, 15478), (2698, 14824), (3706, 10792), (4142, 9656), (4828, 8284), (5168, 7739), (5396, 7412)]