28624880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 71138304

約数和(自身を除く): 42513424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 331, 368, 376, 460, 470, 662, 752, 920, 940, 1081, 1324, 1655, 1840, 1880, 2162, 2648, 3310, 3760, 4324, 5296, 5405, 6620, 7613, 8648, 10810, 13240, 15226, 15557, 17296, 21620, 26480, 30452, 31114, 38065, 43240, 60904, 62228, 76130, 77785, 86480, 121808, 124456, 152260, 155570, 248912, 304520, 311140, 357811, 609040, 622280, 715622, 1244560, 1431244, 1789055, 2862488, 3578110, 5724976, 7156220, 14312440, 28624880]

約数ペア:

[(1, 28624880), (2, 14312440), (4, 7156220), (5, 5724976), (8, 3578110), (10, 2862488), (16, 1789055), (20, 1431244), (23, 1244560), (40, 715622), (46, 622280), (47, 609040), (80, 357811), (92, 311140), (94, 304520), (115, 248912), (184, 155570), (188, 152260), (230, 124456), (235, 121808), (331, 86480), (368, 77785), (376, 76130), (460, 62228), (470, 60904), (662, 43240), (752, 38065), (920, 31114), (940, 30452), (1081, 26480), (1324, 21620), (1655, 17296), (1840, 15557), (1880, 15226), (2162, 13240), (2648, 10810), (3310, 8648), (3760, 7613), (4324, 6620), (5296, 5405)]