28007560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4349}}^1$

素因数の和:4390

約数の個数: 64

約数和(自身を含む): 75168000

約数和(自身を除く): 47160440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4349, 6440, 8698, 17396, 21745, 30443, 34792, 43490, 60886, 86980, 100027, 121772, 152215, 173960, 200054, 243544, 304430, 400108, 500135, 608860, 700189, 800216, 1000270, 1217720, 1400378, 2000540, 2800756, 3500945, 4001080, 5601512, 7001890, 14003780, 28007560]

約数ペア:

[(1, 28007560), (2, 14003780), (4, 7001890), (5, 5601512), (7, 4001080), (8, 3500945), (10, 2800756), (14, 2000540), (20, 1400378), (23, 1217720), (28, 1000270), (35, 800216), (40, 700189), (46, 608860), (56, 500135), (70, 400108), (92, 304430), (115, 243544), (140, 200054), (161, 173960), (184, 152215), (230, 121772), (280, 100027), (322, 86980), (460, 60886), (644, 43490), (805, 34792), (920, 30443), (1288, 21745), (1610, 17396), (3220, 8698), (4349, 6440)]