811319680

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9677}}^1$

素因数の和:9827

約数の個数: 64

約数和(自身を含む): 1954568880

約数和(自身を除く): 1143249200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 9677, 10480, 16768, 19354, 20960, 38708, 41920, 48385, 77416, 83840, 96770, 154832, 193540, 309664, 387080, 619328, 774160, 1238656, 1267687, 1548320, 2535374, 3096640, 5070748, 6193280, 6338435, 10141496, 12676870, 20282992, 25353740, 40565984, 50707480, 81131968, 101414960, 162263936, 202829920, 405659840, 811319680]

約数ペア:

[(1, 811319680), (2, 405659840), (4, 202829920), (5, 162263936), (8, 101414960), (10, 81131968), (16, 50707480), (20, 40565984), (32, 25353740), (40, 20282992), (64, 12676870), (80, 10141496), (128, 6338435), (131, 6193280), (160, 5070748), (262, 3096640), (320, 2535374), (524, 1548320), (640, 1267687), (655, 1238656), (1048, 774160), (1310, 619328), (2096, 387080), (2620, 309664), (4192, 193540), (5240, 154832), (8384, 96770), (9677, 83840), (10480, 77416), (16768, 48385), (19354, 41920), (20960, 38708)]