31363335160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1\times {\mathrm{18257}}^1$

素因数の和:18976

約数の個数: 64

約数和(自身を含む): 71736412320

約数和(自身を除く): 40373077160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 641, 670, 1282, 1340, 2564, 2680, 3205, 5128, 6410, 12820, 18257, 25640, 36514, 42947, 73028, 85894, 91285, 146056, 171788, 182570, 214735, 343576, 365140, 429470, 730280, 858940, 1223219, 1717880, 2446438, 4892876, 6116095, 9785752, 11702737, 12232190, 23405474, 24464380, 46810948, 48928760, 58513685, 93621896, 117027370, 234054740, 468109480, 784083379, 1568166758, 3136333516, 3920416895, 6272667032, 7840833790, 15681667580, 31363335160]

約数ペア:

[(1, 31363335160), (2, 15681667580), (4, 7840833790), (5, 6272667032), (8, 3920416895), (10, 3136333516), (20, 1568166758), (40, 784083379), (67, 468109480), (134, 234054740), (268, 117027370), (335, 93621896), (536, 58513685), (641, 48928760), (670, 46810948), (1282, 24464380), (1340, 23405474), (2564, 12232190), (2680, 11702737), (3205, 9785752), (5128, 6116095), (6410, 4892876), (12820, 2446438), (18257, 1717880), (25640, 1223219), (36514, 858940), (42947, 730280), (73028, 429470), (85894, 365140), (91285, 343576), (146056, 214735), (171788, 182570)]