16682720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 39771648

約数和(自身を除く): 23088928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 821, 1016, 1270, 1642, 2032, 2540, 3284, 4064, 4105, 5080, 6568, 8210, 10160, 13136, 16420, 20320, 26272, 32840, 65680, 104267, 131360, 208534, 417068, 521335, 834136, 1042670, 1668272, 2085340, 3336544, 4170680, 8341360, 16682720]

約数ペア:

[(1, 16682720), (2, 8341360), (4, 4170680), (5, 3336544), (8, 2085340), (10, 1668272), (16, 1042670), (20, 834136), (32, 521335), (40, 417068), (80, 208534), (127, 131360), (160, 104267), (254, 65680), (508, 32840), (635, 26272), (821, 20320), (1016, 16420), (1270, 13136), (1642, 10160), (2032, 8210), (2540, 6568), (3284, 5080), (4064, 4105)]